Door window open wireless bell intruder alarm anti-theft

Product Details

HB brand wireless door magnetic contact with alarm bell.
Simple home wireless security kits with door contact, window contact with alarm bell for notification of door open or window open.
All doors and windows open can make the alarm bell. Up to 32 sensors can be added to HB-805A wireless alarm receiver door bell.Only HB brand wireless devices can work with it. You can choose HB brand products from https://vedardalarm.com/hb-solar-beams-m-3
Such as window protection wireless infrared grating HB-T001S4, wall intruder alarm break beam system HB-T001R2, HB-T001Q3, wireless panic button HB-A380, water leakage detector, gas sensor, smoke alarm etc. can be added to HB-805A.
This package includes one wireless door contact and one alarm bell.
Wireless door contact can be found at https://vedardalarm.com/wireless-door-sensor-hengbo-brand-no-false-alarm-p-233
HB brand same wireless device compatible door sensor HB-MC-1
This wireless sensor can work with same brand alarm control panel
Door magnetic contact wireless indoor usage
Battery charge power supply wireless type
Very low standby current consumption
FSK with hopping frequency wireless transmitting and no false alarm
With self check and fault report function.

Technology:
working current: <=0.01mA
Frequency: 433MHz with hopping frequency
wireless transmission distance: 300 m at open area
Working temperature: -30~70C

HB-805A can be found at https://vedardalarm.com/alarm-bell-for-wireless-security-driveway-door-sensor-p-234