Notice：
1. This product cannot be used independently.
2. Can be used with all the hosts in our store.
3. If other stores meet the following conditions:
A. Frequency: 433MHz
B.IC: 1527
C. Resistance: 330K Ω
Working voltage: DC3V (button battery)
Standby current: ≤ 10uA
Working current: ≤ 15mA
Working temperature: -10℃ ~+50℃
Emission distance: ≥ 120m(open field)
Triggering distance: 25-35mm
Under voltage monitoring: 2.2±0.2V
Wireless encode mode: ev1527
Emission frequency: 315MHz/433MHz/868MHz
Fields special designed with the SOS alarm door sensor Ensure greater security Induce the door/window open/close for 10mm range wireless transmit range can get to 80m.
Shopping tips：
1. We are the leading professional manufacturer specialized in safety and security hi-tech,infrared detector,alarm control systems.
2. All the products being sold in our store are available in our warehouse and so our delivery speed will be very fast. Usually your order will be shipped within 48 hours.
3. You can contact our customer service staff if you have any questions. We will help you solve the problem at the first time.
4. If you find any problems with the product, please contact us for free replacement. We will send the replacement product to you as soon as possible to ensure that you can receive it quickly.
