Wireless Doorbell, ANGUO Motion Sensor Alarm, Wireless Driveway Alert, Home Security System Alarm with 1 Sensor and 1 Receiver(White,No Battery Included);

Bright LED Indicators and 10-38 Chimes allow you to customize your alerts
Features:
Includes wireless battery operated sensor and plug in receiver,Just place the sensor at the entrance to your driveway and the receiver inside your home.
It detects movements and sends a signal to the receiver from up to 98 feet (30m) away.
Alerts you when someone enters your driveway, walking path, doorway or business, such as visitors, vehicles, intruders, animals or kids coming or going.
Advanced notice when someone or something enters before they surprise you.
Use it to monitor any area inside or outside, its wireless so you can place it anywhere in the house or even take it from room to room.
Specifications:
Receiver Voltage: 110V-240V
Battery: 4.5V, 3 AAA Batteries
Power consumption: <10mW
Volume: 25-110dB
Range: 98 ft(30m in an open area)
Infrared sensing distance: 20-26 ft (6-8m)
Frequency: 315/433 MHz ± 2MHz
Operating Temp: 5°F-140°F (-15°C-60°C)
Receiver Size: 3.3" L x 2.4" W x 1.9" H (86 x 63x 50mm)
Sensor Size: 3.2" L x 2.4" W x 2.7" H (83 x 61 x 70mm)
Packaging Weight: 170g

Package Includes:
1 x PIR Motion Sensor (Uses 3 AAA, not included)
1x Receiver
1 x Mounting Accessories (needs 1 or 2 screws, not included)
1x User Manual