Joybuy Insights

Choosing an LED lamp without making the wrong purchase: practical tips for every room

An LED lamp may seem like a straightforward purchase, but the differences between models can be significant. A small night light is not suitable as a desk lamp, while a mood lamp with RGB lighting is of little use when you need bright task lighting. Terms such as “wireless”, “water-resistant” and “dimmable” only tell you something when you check the technical details.

Pay particular attention to these three common pitfalls:

  • Not enough light for the intended use: a lamp with 20 lumens may be pleasant in a dark hallway, but it is not designed for reading or working.
  • The wrong IP rating: an outdoor lamp without sufficient protection can be affected by rain or moisture. IP20 is only suitable for dry indoor areas; IP44 provides protection against splashing water, but not immersion.
  • Wireless without clear usage information: with a rechargeable lamp, check the battery capacity, charging voltage and how the lamp is operated. Long battery life is not guaranteed if the manufacturer does not provide a specific figure.

Which specifications should you check?

1. Light output and colour temperature

Light output is measured in lumens (lm). A higher lumen count generally means more light, but the right amount depends on the room and how you intend to use the lamp.

  • 10 to 50 lumens: suitable as a night light or for orientation lighting.
  • 100 to 200 lumens: useful as a mood lamp or portable table lamp.
  • 500 lumens or more: more practical for reading, working or focused lighting.

Colour temperature is measured in Kelvin (K). Warm white light of around 2700 to 3200 K creates a soft feel in a bedroom, living room or child’s room. Cooler light may be more suitable for a workspace, but always check the stated value.

A 20-lumen lamp with a colour temperature of 2800–3200 K, such as the Light Sensor Night Light, is therefore mainly intended for a bedroom, nursery or hallway. Do not expect it to illuminate an entire room.

2. Dimming and operation

A dimmable lamp gives you more control when you use the lighting at different times. Check whether dimming is controlled via:

  • a push or rocker switch;
  • touch control;
  • a remote control or app;
  • a motion sensor;
  • a built-in timer.

With a motion sensor lamp, it is important to know whether the sensor switches the light on automatically and how long it remains lit. For products with multiple colour settings, you should also check whether warm white light is actually available or whether the product only displays RGB colours.

3. Indoor, outdoor and power supply

For use on a balcony, patio or in the garden, check the IP code. A product with IP20 is intended for dry indoor areas. The Brilliant Katrina table lamp, for example, has an IP20 rating and is not water-resistant according to the product description. Do not place it in a damp area or outdoors.

According to the stated product specifications, the Brilliant Aro has an IP44 rating. This makes the lamp suitable for splashing water and use on, for example, a balcony or patio, but not for heavy rain, a pond or immersion.

For a rechargeable lamp, the following details are also relevant:

  • battery type and capacity;
  • charging voltage;
  • cable included;
  • whether the battery can be replaced;
  • whether it works while charging.

A battery capacity of 2000 mAh, as found in the Xiaomi Flexible Rechargeable Lamp, provides information about the battery, but not automatically about its operating time. This also depends on the power consumption and the selected light setting.

Our recommendations for different uses

Suitable for: Budget-conscious beginners
Light Sensor Night Light Warm White

Light Sensor Night Light Warm White

Why it suits this profile: This compact LED lamp is designed to provide basic lighting in a bedroom, nursery or hallway. The light sensor is useful when you do not want to keep reaching for a switch.

How this product avoids the pitfall

The stated 20 lumens makes it clear that this is orientation lighting rather than a desk lamp. This helps you avoid unrealistic expectations about its brightness.

Key benefit & highlights

0.5 W SMD LED, warm white light of 2800–3200 K and a power supply of 110–220 V according to the product details.

Suitable for: Shoppers looking for premium quality
Brilliant LED Desk Lamp With Warm White Light

Brilliant LED Desk Lamp With Warm White Light

Why it suits this profile: Designed for home workers and readers, this LED table lamp is intended for a permanent workspace. The adjustable arm and swivelling lamp head help direct the light to a specific area.

How this product avoids the pitfall

The specifications state 650 lumens, a 150 cm cable and IP20. You can therefore see in advance that this is a powerful indoor lamp with a cable, not a wireless outdoor model.

Key benefit & highlights

8.5 W integrated LED, 2700 K warm white light, adjustable height and swivelling lamp head according to the product description.

Suitable for: Specific uses & intensive users
Brilliant Portable LED Lamp Rechargeable RGB

Brilliant Portable LED Lamp, Rechargeable Battery, RGB

Why it suits this profile: This rechargeable lamp is suitable for flexible use around the home, on a balcony or on a patio. The combination of RGB, warm white light and touch control suits changing mood-lighting needs.

How this product avoids the pitfall

The IP44 rating clearly distinguishes it from an IP20 desk lamp. However, do not use the lamp when submerged or in severe, persistent weather.

Key benefit & highlights

1 W power, 140 lumens, 3000 K, touch dimmer, RGB function, memory function and an integrated 18650 lithium-ion battery.

Suitable for: Families with multiple routes through the home
2-pack Battery-operated Night Light with Motion Detection

2-pack Battery-operated Night Light with Motion Detection

Why it suits this profile: A set of two battery-powered lamps is practical for areas such as a hallway, toilet and bedroom. Motion detection reduces the need to switch the lights on manually.

How this product avoids the pitfall

The product title mentions motion detection, five dimming levels and three colour temperatures. Before buying, check the current product information to see exactly how the sensor and battery life are specified.

Key benefit & highlights

Two lamps per pack, 1 W SMD LED, five dimming settings and three colour temperatures according to the product listing.

How much does an LED lamp cost to run?

Calculate energy consumption using the formula: power in watts × hours switched on ÷ 1000 = kilowatt-hours. A 1 W lamp switched on for five hours every day theoretically uses around 1.8 kWh per year. The actual cost depends on your energy tariff.

Also consider the difference between an integrated LED module and a replaceable light source. According to the product information, the light source in the Brilliant Katrina is integrated and cannot be replaced. This may be an important purchasing criterion if you plan to use the lamp for a long time.

Looking for more options?

We have put together a complete, up-to-date list of products that fully meet these strict selection criteria and the applicable European safety regulations.

Frequently asked questions about LED lamps

How many lumens do I need for a desk lamp?

For focused work or reading, a lamp with around 500 lumens or more is often more practical than a small night light. The right choice depends on the distance from the work surface, the lamp head and the amount of other light in the room.

How long does an LED lamp last?

This varies by model and usage. According to the Brilliant Katrina product description, the integrated LED light source can last for up to 20,000 hours. This information comes from the product specification and is not a guarantee for every usage scenario. For other lamps, check the stated lifespan separately.

Is a rechargeable lamp suitable for outdoor use?

Only if the IP rating and instructions for use allow it. A lamp with an IP44 rating, such as the Brilliant Aro, is suitable for splashing water according to the specifications. An IP20 lamp is intended for dry indoor areas. Do not use either type underwater or in conditions for which the manufacturer does not state that it is suitable.