The effective range varies depending on the type, installation method, and usage environment. The following is a specific explanation:

Conventional outdoor mosquito killer lamp
Effective range: generally 10-50 square meters, suitable for small areas such as family courtyards and terraces.  
Installation points: It is recommended to turn on the device at 6pm and place it 1-1.5 meters above the ground to avoid interference from other light sources.

Solar powered mosquito killer lamp
Coverage area: A single unit can radiate 50-70 square meters of farmland, suitable for large gardens and outdoor spaces.
Features: No need for frequent battery replacement, with a lifespan of up to 5-7 years, and advantages such as no chemical pollution, safe and quiet operation.  

Specially designed mosquito killer lamp
High power models: Some plug-in devices have a nominal effective area of 100-120 square meters, but attention should be paid to voltage compatibility.  
Attention: The actual effect is affected by environmental factors. It is recommended to choose the appropriate power according to the usage scenario and regularly clean and maintain it.