Motion detector alarm, infrared motion detectors with siren - Wireless PIR alarm kit

Motion alarm with a communication range of up to 100 m (distance between the infrared receivers and the transmitter). The infrared receivers have a range of 3 to 7 m. It alerts you in advance of the arrival of visitors (or intruders). Motion alarm with 38 selectable ringtones! 3 volume levels: high, medium, or low. Receiver operating modes: LED only, flashing light, or ringtone and flashing LED. Power supply (receiver): 110-240 V AC. Power supply (transmitter): 3 AAA 1.5V batteries (not included) or 5V DC power adapter (not included). Applications: entry alert, burglar alarm, hallway alarm, pest detector, car alarm (indoor), warehouse monitoring, power supply for closet alarm, garage and shed monitoring, mailbox sensor, front door or gate detection.