433MHz RF Wireless Vibration Door Window Sensor

*This sensor require to have receiver or it is use with the alarm system we selling. *This is sensor, no soundThe wireless vibration detector with excellent performance and high reliability is especially designed for monitor the opening/closing state of the door. When the door is opened for whatever reason, it will immediately transmits a specific radio wave and alarm the host remotely. Power-saving design, it does not emit radio signals when the door is closed, low power consumption, long service life, practical and durable. Battery low voltage detection circuit, when the battery voltage is lower than 8 volts, the lower LED will light up for replacing battery immediately. It is mainly used for detecting vibrations to scare away thieves or remind the owner to pay attention to the movements of the incoming person.Specifications: Condition: Brand New Material: ABS plastic Color: White Features: Low power, medium distance Working Voltage: DC12V (one 23A battery, battery is not included) (Please prepare your own battery, this product inside got put battery, sometimes put inside too long time, the battery already finish. this product very low profit we not include battery) Quiescent Current: ≤10uA Alarm Current: ≤15mA Operating Frequency: 433MHz Modulation Method: ASK (amplitude modulation) Transmitting Power: ≤150mW Coding Type: 2262 Transmitting Distance: 50 ~ 100m (open space) Working Temperature: -10°C ~ 50°CPackage List: 1 * Wireless Vibration Detector