Quanzhou Daytech Electronics CB01-WG Call Button សៀវភៅណែនាំអ្នកប្រើប្រាស់
WIRELESS CHIME/PAGER User Manual FEATURES: Modern & Stylish design 5 levels of volume Easy installation IP55 Waterproof Approx. 1000ft/300mtrsoperation range (open air) 55 Ringtones Low power consumption SPECIFICATIONS: Working voltage of plug-in receiver 110-260V Battery in transmitter 12V/23A Alkaline battery…