KERUI Wireless Doorbell Ring Doorbell Adjustable Volume 1000Ft Range Door Bell
$ 7.44
Description
Origin : Mainland China M558 doorbell Function: Wireless connection Sound loud 33 ringstone optional 4 levels adjustable volume lug and play easy to use 150m Transmission Free collocationl Widely use M558 : 48mm*15mm*95mm F60 : 40mm*10mm*77mm Adapt to multiple accessories Strong signal , 150m long distance Transmission Long operating range can be up to 500ft (150m) in open space , great for large house including villas , apartment , offices , shops , warehouse , etc . Multiple room types can be selected for various combinations When the elderly encounter danger, they can press the doorbell Doorbell : 220V AC , Plug and play . Button : Fixed with double-sided tape . Built-in battery Smart Wireless Doorbell 4 levels adjustable volume 33 songs optional M558 : 48mm*15mm*95mm F60 : 40mm*10mm*77mm
