Wireless Motion Sensor Doorbell -Indoor Motion Detector Alarm, Door Chime for Business/Store/Office Entrance, Entry Alert Bell with Buzzer, USB/Battery Powered (1 Receiver + 1 Motion Sensor)

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Easy To Install & Expandable-The motion sensor can be installed on a wall or door, the receiver plugged in for used, the sensor alarm fixed with screws or double-sided tape. In addition, a combination supports connecting up to 20 sensors or receivers to facilitate the construction of a security system to protect property safety. Wide Wireless Distance-The maximum detection distance of indoor motion sensors can reach 26 Ft, the wireless distance to the receiver can reach 500 Ft.The motion sensor alarm is suitable for the front or back doors of business, hospital monitoring rooms, warehouses, parking lots, etc. When the sensor detects moving objects in the detection area, it will promptly transmit a signal and play the alarm bell you set. 32 Ringtones & 5 Volume Levels-The motion sensor doorbell has 32 unique ringtones, including alarm sound, doorbell sound and so on; 5-level adjustable volume (0-110dB), including mute mode. Starting from the maximum volume beep, enter mute mode for the fifth time or from the minimum volume beep, enter mute mode for the first time. Adjustable Distance & Angle-The induction alarm can rotate 360 degrees, allowing you to freely adjust the angle you want to detect and protect your home safety. About Product-Includes 1 plug-in receiver and 1 motion sensor door chime (including 2 AAA batteries), the sensor bell supports USB power supply (DC 5V). We provide a 12 month warranty service. If you encounter any problems with the product, you can attach the order number and send the problem to our email.