Topvico Water Leak Detector & Alarm TP-518W - Online Manual
HH-LS518 Notice: - Powered by 1 unit 9V battery, (battery not include, sometime battery delivery with problems), suggest to use "Alkaline"...
Topvico Water Leak Detector & Alarm TP-618W - Online Manual
TP-618W Instructions: - Power supply: 1 Uint 9 Voltage Battery (Not included, recommend brand alkaline battery) How to detect...