ຄູ່ມືຜູ້ໃຊ້ Swann WT82 Wifi Sensor
ຄູ່ມືຜູ້ໃຊ້ Swann WT82 Wifi Sensor ຫຼາຍກວ່າVIEW BATTERY INSTALLATION Unscrew the sensor cover with the supplied screwdriver and lift it off. Insert the supplied two AAA batteries into the battery compartment according to the polarity markings (+ and -) shown.…