Door Bell with Motion Sensor, Wireless Outdoor Doorbell Kit with Infrared Motion Sensor and Plug-in Receivers and PIR Motion Sensor,

The remote wireless track alarm can detect from 7 meters to 120 degrees. The radio frequency frequency is 433 MHz, so the communication range between sensor and receiver can reach 200 meters. It allows you to place it far from the receiver to warn your family, unwanted guests or lawyers, or anyone visiting your home or business. The entry alarm rings the office/store and notifies you when customers arrive so you don't miss any visitors. Available in 4 volume levels (including mute), the simple and harmonious sound of the doorbell is not unpleasant4 Alarm Options and 38 Buzzers: The wireless pathway alarm has 4 Alarm Options (audio buzzer / flashing / BUZZER and LED), 38 buzzers and 3 volume levels (25 dB to 80 DB) for you to choose to meet your needs.[ip65 waterproof] wireless pathway alarm waterproof to bad weather outside.IP65 waterproof material is adopted to deepen the waterproof groove and lift the waterproof cover. Professionally tested to withstand IP65 waterproofing and operating temperatures of -20℃ to 60℃ Ideal for front doors, window frames, driveways, hiking trails and any place in your home where you need a reminder to move. For business owners who work in the back or are not in sight, it is also good to alert customers entering their stores.