Infapower X004 Battery Powered Wireless Extra Loud Weatherproof Door Bell Chime

Infapower X004 Door Bell Bell will ring anywhere in house or factory within 100M open area. When button on door press is pushed a light comes on to confirm operation. Features: Cordless - no wiring required Extra loud bell - 85 decibels Select from 32 different ring tones Waterproof door-press (battery included)