Model Number: MR100-#2961 Brand Name: COSLIFE Key Specifications/Special Features: Mosquito and insect repellentSophisticated electronic mosquito repellentSweeping wideband ultrasonicfrequencies to make interfering noise to mosquito and small insectsSweeping sonic frequencies to mimic male mosquito flapping wingsUltra lower frequency to mimic dragonfly flapping wings

Purplelights sensitive to mosquito in pitch dark room make them watch out dangers

38 wide range speaker inside

Effective area is about 100-150square feet (about 10-15square meter)

Supplied with strap for outdoor use