Min. Order Reference FOB Price
3000 Pieces US$0.39-2.30 / Piece
Product Description
1.5V 3 PCS AAA battery.(not included) alarm Sound: 115dB secret code :1-12 digit chime ,instant,delay 3 position WHAT'S THE FUNCTION The magnetic sensor can detect the opening of doors or windows. Then the main unit will alarm or sound"ding-dong". HOW TO TURN ON OR OFF Input the secret ...