Ningbo Everflourish Ntse Technology DB400FAC + DB50 Wireless Doorbell User Manual
Kawm yuav ua li cas rau nruab thiab siv Ningbo Everflourish Smart Technology DB400FAC + DB50 Wireless Doorbell nrog peb cov neeg siv phau ntawv qhia. Lub qhov rooj tsis muaj dej tsis zoo no nta 58 ringtones thiab qib ntim kho tau, nrog rau kev ua haujlwm ntau dua 500 ko taw. VBA-DB400FAC yog ib qho yooj yim rau nruab thiab nthuav dav, tso cai rau koj ntxiv cov transmitters lossis receivers. Ua raws li peb cov lus qhia ib kauj ruam los ntawm kauj ruam los ua khub koj lub transmitter rau lub receiver thiab teeb tsa koj lub suab ringtone.