Welcome Doorbell Alarm IR Infrared Sensor Detector Door Bell Entry Security NEW

Feature: \n 1. The working range is up to 100 meters and the infrared sensing distance is 3-7 meters. \n\n2. Made of high quality ABS material, eco-friendly, sturdy and durable in use. \n\n3. Wireless installation, practical design and beautiful appearance, can be placed wherever you want. \n\n4. The infrared sensor detects motion and sends a signal to the receiver, widely used in home, apartment, office, etc. \n\n5. Electronic security to see remote detection system, wireless doorbell welcome alarm device. \n\nSpecification: \n\nCondition: 100% Brand New\nItem Type: Door Bell\nMaterial: ABS\nClassic Music: Single ''Alice''\nWorking Distance: Approx. 100m / 328.1ft (Outdoor)\nInfrared Sensing Distance: Approx. 3-7 meters / 9.8-23ft\nBattery: 9V Battery x 1, AA Battery x 2 (Not Included)\nWireless detector Size: Approx. 8.9 x 6.2 x 4.8 cm / 3.5 x 2.4 x 1.9 in\nReceiver Size: Approx. 9.3 x 6.8 x 3.7 cm / 3.7 x 2.7 x 1.5 in\nWeight: Approx. 180g / 6.3oz \n\nPackage List: \n 1 x User: