Zinc Alloy Security Garage Window/Door Rolling Gate Magnet Alarm Reed Switch

Description: ? Zinc Alloy Security Garage Window/Door Rolling Gate Magnet Alarm Reed Switch ? Features:? ? 1. Brand new and high quality
2. Simple and convenient for installation
3. The metals electroplates outer shell, double-loop circuit design, performance stable.
4. Circuit is not connected when magnet is near the switch.
5. Special use for metal doors, anti-magnetic interference design. ? Specification: ? Housing material: Zinc Alloy
Rated Voltage: 100V Operating Distance: 50-70mm
Contact Type: Normally Closed
Size: 10.6 x 3.8 x 1cm/ 4.2 x 0.15 x 0.4 (L x W x T)
Cord Length: approx.45cm/ 17.7 ? Package includes:? ? 1 x Door Magnetic Switch Alarm
4 x Screws ? Details pictures:?