Kelvenix Loud Wireless Doorbell Plug in Cordless Doorbells Waterproof Door Bell in Black Black

Description: Specifications Working voltage: AC 90-250V Working current: 100mA Wireless frequency: 433MHz Working temperature: -10 ~~50 Wireless distance: 150 meters (in open areas) Key functions: Volume key: (volume selection) Four levels of volume (one, two, three, four) SET function key: (mode selection) Click the SET key to select the mode Mode 1: With music and flashing lights Mode 2: With Music+No Flash Mode 3: With music and constant light on Mode 4: No music+flashing light (silent mode) Features: Operation is very easy Sound quality and volume is very good Wide selection of melodies, easy to swap Assembly super fast since everything plug The presets are saved even if the device is briefly unplugged and plugged in again Wireless bell outside waterproof, up to 300m range in open terrain Package list: 1 receiver +1 caller+ 1 black screwdriver Kelvenix Loud Wireless Doorbell Plug in Cordless Doorbells Waterproof Door Bell in Black