ขาย Kerui D025 433MHz ระบบเตือนภัยเซนเซอร์ตรวจจับแม่เหล็กประตูหน้าต่างแบบไร้สายสําหรับรักษาความปลอดภัยในบ้าน ราคาที่ดีที่สุด

Note: The product must work with alarm system,it can not work independently. Features: *Compound multi-layer design. Superior circuit design. *Built-in omnidirectional antenna. Superior ABS material. *High-performance and low power consumption. *It will send the alarm signal to control host once the door or window is opened. *Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc. Specifications: Power Supply: 12V 23A Battery (included) Working Frequency: 433MHz Static Current: ≤20 mA Transmission Current: ≤15mA Internal Distance: 15mm Transmission Distance: 50-150m(open area) Shock Resistance: 4.7M,1.2M.3.5M,300k Battery Life Time: About 8 months Working Condition Temperature: -10°C to +40°C Humidity: ≤ 90% rh Transmitters Size: 70 * 36 * 15mm Magnet Size: 64 * 13 * 13mm Package Information: Package Size: Approach. 8.2*5.5*2.2cm / 3.2*2.2*0.9in Package Weight: Approach. 50g / 1.8oz Package List: 1 * KERUI D025 Door Sensor 1 * Set of Mounting Stickers and Screws