Wireless Security System Indoor Door And Window Alarm $ 7.06 Product information Working voltage: 3 (V) Alarm current: 200 (mA) Detection angle: 140 Quiescent current: 20 (uA) Working temperature: 80 () Detection distance: 6-8 (m) Transmission frequency: 433 (MHZ) Scope of application: household/warehouse/company Type: Door/Window Alarm Detector Installation method: SMT type Transmission distance: 0.1 (m) Action distance: 10 (mm) Communication method: wireless Color: White " Package: Alarm *1