Description:
this set of magnetic detecting switch monitors the opening and closure of doors and windows used to protect doors and windows for the most part. It is great for installed on doors of house, garage, warehouse, enterprise and shop etc.
Features:
this is a set of magnetic detecting switch used to protect doors and windows for the most part.
Protective device monitors the opening and closure of doors and windows.
433mhz transmitting frequency, wireless connection.
High quality magnetic sensor contacts with strong magnetic, sensitive respond and long durability.
Easy to install and use. A good replacement for the old contacts. Simple to install no hassles.
Specifications:
condition: 100% brand new
material: abs plastic
color: as picture shown
operating voltage: 1.5v
build-in battery: 1 * aaa lr03 am4 1.5v 800mah dry battery
battery life: about 8 months
static current: ≤10ua
operating current: ≤15ma
transmitting frequency: 433mhz
transmitting distance: ≥100m (open area dist