Please note, this item ships from an international seller. Expected delivery is 10-15 days. Features: [APP Remote Control] Simple download APP "Smart Life/Tuya Smart" to add the device to detect the human body movement, no hub required. [Passive Motion Sensor] When someone enters the monitoring of the detector and the detector is triggered, the LED flashes and alarm sounds, high sensitivity. [Alarm Push] When there is movement detected, the alert notifications will be pushed to your phone, be able to know what's happening at home. [Wide Detection Area] It supports a 110° detection angle and an 8m detection distance to achieve wide-area monitoring day or night. The alarm sound is 120dB. [Power Supply Mode] Powered by external USB 5V DC power supply. 3pcs 1.5V AAA batteries (not included) are only for emergency supply. Specifications: Power Supply: External USB 5V DC power supply/3 AAA batteries (backup power) Standby Current: <30mA Working Current: <100mA Shutdown Current: <100uA Sensitive Angle: 110° Sensitive Distance: about 8m Alarm : 120dB Wireless Type: 2.4GHz Mobile Phone APP: Smart Life/Tuya Smart Support System: iOS/Android Material: ABS Color: White Item Size: Approx. 9.0*7.0*6.0cm/3.54*2.75*2.36in Item Weight: 84g/2.96oz Package Size: Approx. 17.6*10.6*6.5cm/6.93*4.17*2.56in Package Weight: Approx. 229g/8.07oz Package List: 1 * PIR Motion Sensor 1 * Remote Controller 2 * Screws 1 * Base Sticker 1 * USB Cable Only (or USB Cable with Power Adapter Optional)