ขาย Daytech Wireless Door Open Chime Entry Alert Door Entry Alarm 52 Ringtones 4 Volume Level 1 Receiver 1 Window Sensor mJl ราคาที่ดีที่สุด

Wireless Door/Window Open Alarm System Home Security Magnetic Alarm Sensor, Burglar Intrusion Alarm Kit,Anti-thief Volume Alert System, Easily installation, Plug and Play. This is a very easy to install & use, economic and functional Home Security program for your home and family safety. 52 ringtones for choosing,4 volume levels can adjustabl, you can adjust the doorbell chime according to your personal interests. The Door Window Magnetic Sensor will send alarm signal to the receiver once the door/window is open, and the receiver will make sound to warn you that the door/window is opened. Mini size door/window magnetic sensor can be installed anywhere in the room, choose the right position, tear off the double-sided tape and paste it on, protect your home security via door entry chime alert. Feature 52 Unique Ringtones Available 4 Volume Levels Adjustable 30-110dB Receiver Chime Technical Parameters Parameters of Receiver Working Voltage of Receiver: 110V Receiver Power Consumption:0.5W 4 Volume Levels Adjustable:30- 110DB Working Frequency:315MHz,433MHz,868MHz Receiving Range: 300m in open area Receiver Dimension: 3.17*1.12*3.19 inch Parameters of Door/Window Sensor: Wireless Transmitting Distance: ≤80m in the open area Transmitting Frequency: 443.92MHZ Operating Voltage: 3V DC(1*CR1632 battery) Operating Current: 3uA(standby),15mA(Transmitting) Installation Gap: ≤1.18 inch Working Temperature: -20°C~+50°C Working Humidity: ≤85% Package List 1*Plug-in Receiver 1*Door/Window Sensor(battery included) 1* User Manual