100M
Wireless chime, this doorbell have one sends past, the laws one receiver past, the laws is equipment with 36 different ringtones. Easy to mount, transmitter mounted with two-sided tape past, the laws receiver connected directly to one wall outlet. Battery in transmitter keeps in 1 year by 20 pressure about day. Reach on 100 meter in open area. Transmitter operated of what included battery lr23a , text is automatic translated of chat gpt .
