material: plastic color: white Weight: 214 g / a Effective range: about 200 square meters Packing Size: 19.2 * 14.1 * 7.5cm; Product Size: 10.5 * 6 * 6.6cm Package includes: Package Option 1: 1 × ultrasonic mosquito repeller; Package Option 2: 2 × ultrasonic mosquito repeller This product sends out the ultra-low frequency electromagnetic wave with constant frequency change, attacking the sensory nerve of mice and insects and the brain central nervous system, making it very painful, fearful and uncomfortable, with loss of appetite, systemic vasodilation and reduced reproductive ability. can not Survive in this environment and escape from the ultrasonic radiation area. safe and nontoxic:environmentally-friendly, effective protection to help eliminate common household pests，as it repels pests rather than killing them, there is no messy clean up. Simple and convenient: Just plug it in and it starts working right away, No Batteries, Assembly or Maintenance required, it's really that simple! Suitable for offices, garages, basements, warehouses, gardens, restaurants, hospitals, shops and other establishments. Placed in the warehouse or goods piled place, or multi-room floor of the house, should put a few of this machine, in order to increase the effectiveness of
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