Feature: 1. Comprehensive Guard: Motion detector alarm covers up to 110 degrees vertically and 15 degrees horizontally to protect every angle effectively. 2. 360 Degree Adjustable Angle: Indoor motion sensor alarm has a 360 degree universal bracket, the angle can be adjusted as per your needs. 3. Burglar Proof Design: Installing the motion sensor alarm at the door or window can prevent unauthorized entry by burglars, high security. 4. Wide Detection Range: The infrared detection range of this alarm reaches up to 8m/26.2ft, without any false alarms or missed detections. 5. Easy to Operate: Come with remote control, it is simple to use and operate, and is suitable for all ages, including the elderly and children. Specification: Item Type: Motion Sensor Alarm Material: ABS Infrared Detection Range: < 8m Detection Angle: 110 ° Humidity: < 90% Alarm Battery Specification: 2 x AA Batteries (Not Included) Remote Control Built in Polymer Lithium Battery: 75mAh. Package List: 1 x Motion Sensor Alarm1 x Charging Cable1 x Remote Control2 x Screw Expansion Tube2 x Screw3 x Installation Accessories2 x Sticker Note: Do not use USB cable to supply power after installing AA battery