Feature:1. Safety Protection: Use our waterproof single beam infrared detector to give you a sense of security; It is sensitive to heat and movement during the day and night, and is a reliable alarm system.2. Classic Design: The sensor has a fashionable black appearance, which looks small and beautiful. It is integrated into your home decoration and does not affect the aesthetics of the room.3. Durable: The infrared sensor is made of plastic, durable, impact resistant, anti aging, very reliable, and has a long service life.4. Widely Applicable: The motion sensor alarm is suitable for the safety of residential, farm, villa, hotel, market, boarding apartment and other places that require safety alarm.5. Monitoring Reminder: The motion detector alarm adopts advanced technology, which can respond quickly, remind visitors, and scare off unwanted intruders.Specification:Item Type:Single Infrared Beam Sensor.Material: PlasticProduct Size: Approx. 96 x 43 x 22 mm / 3.78 x 1.69 x 0.87 inTransmitter: Input Voltage: 12-24V AC/DCWorking Current: 20mAReceiver: Input Voltage: 12-24V AC/DCWorking Current: 32mAPackage List:1 x Receiver1 x Transmitter2 x Double Sided Adhesive6 x Screws4 x Expansion Screws1 x Instruction Manual