RT71 Wireless Magnetic Contacts should match with RK208EW84 wireless receiver. It is one of ROISCOK''s special designed for luxurious residential installation. Attached sole identification code, sending frequency is 433.92MHZ. It has the features as strong ability
to catch signal, false & lost alarm is low, high technology, low power consumption, smart manufacture and elegant appearance. It has microprocessor for digital signal processing and built-in antenna, stable performance and strong ability to resist interference. Powered
by one 3V lithium battery, stand-by current is less than 10uA and long battery service life.
Main Features:
1. In standard environment, the distance of wireless transmission is 200M.
2. Microprocessor Design Improves False Alarm Immunity
3. Low power consumption, powered by 3V lithium battery, and stand-by current is less than 10uA
4. Convenient for Installation
5. Resist radio frequency Interference (25V/M - 1GHz)
6. Can be monitored
7. Elegant appearance, decorate the house, an ideal selection in the security products
8. Input mode is NC

Specifications:
1. Working Voltage: 3V, supply by battery
2. Stand-by Current: less than 10uA
3. Alarming Current: 18mA
4. Working Frequency: 433MHz
5. Alarming Time: at least 2.2s
6. Warm-up time: at least 2.0 minutes
7. RFI characteristic: 25V/m,10Mhz ~ 1Ghz
8. Working Temperature: 0DC ~ 55DC
9. Storage Temperature: -20DC ~ 60DC

Price: 2usd