Smart type wireless door contact WS-500H

This product is a multi-functional wireless smart door sensor. The emergency button and the door sensor have dual functions as one, using ultra-low power chip design, low-voltage fault monitoring report, anti-dismantling, anti-vandalism function. Compatible with 1527 encoding format, optional oscillation resistance, long transmission distance. It is typically used in various household and commercial door and window anti-theft alarms.