Check the listing for details. Driveway Alert System Solar Wireless Motion Sensor Alarm 400m Weatherproof. Condition: New. Listed at 54.00 USD. This wireless motion sensor alarm system is perfect for any home or business looking for an extra layer of security. With a detection range of 20 meters and an infrared beam width of 60 meters, this system can detect small movements and ensure that your property is safe at all times. The alarm current is 100mA and the battery type is rechargeable lithium iron phosphate, ensuring that you can use the system for extended periods without worrying about running out of power. The HTZSAFE brand is known for its high-quality products, and this door entry system is no exception. It is weatherproof and operates on DC 3.3V voltage, with a static current of 600uA. The system includes two infrared beams and a wireless transmitting frequency of 433MHZ. With an IP level of IP66, this alarm system is perfect for outdoor use.