Wireless Infrared Sensor Split Supermarket Welcome Doorbell

1. Material: durable ABS housing2. Sensors: infrared (detects human presence and issues an alert), Vibration (detects ambient vibration and issues an alert), door sensor (alerts when the main units magnetic strip separates, triggered by pushing a door open, particularly suitable for shops with frequently closed glass doors)3. Main unit requires three AA batteries/USB 5.0V power adapter; sensor requires three AAA batteries/USB 5.0V power adapter (batteries not included)4. Transmitter and receiver frequency: 433MHz (less interference than 315MHz)5. Receiver battery life: 5-7 months (based on 30 beeps per day)6. Infrared curtain battery life: 5-7 months (based on 30 detections per day)7. When customers pass through the detection zone, the receiving unit emits a welcoming tone, creating a friendly shopping environment and alerting store staff.8. After closing time, the alarm can be used as a burglar alarm with a high-volume speaker, reaching up to 113dB.9. Custom 8-chord music chip, 40mm large speaker for more pleasant sound, 36 doorbell tones, change at will.10. Colored light reminder mode is ideal for quiet environments like offices, with adjustable brightness. The night light illuminates the main unit for two minutes after the probe is triggered, making it safer to wake up at night.11. Horizontal detection angle of 100 degrees, vertical detection angle of 15 degrees, sensing range: 2-8 meters (the range is shorter in higher summer temperatures and varies depending on the installation angle).12. Long signal transmission distance: the receiver has a built-in wireless loop antenna, with a range of up to 280 meters in open areas.13. Receiver: 70x40x116mm14. Infrared curtain: 82x45x74mm15. Note: this device is intended for indoor use. do not install it in direct sunlight or rain (such as outside tents). to avoid false alarms, avoid areas with high humidity fluctuations and interference, such as air conditioning vents, fans, and air outlets.16. Item list: color box x1, receiver x1, infrared curtain x1, double-sided tape x1, screws x2, instruction manual x1Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 18cm * 11cm * 6cm / 7.09inch * 4.33inch * 2.36inch Qty per Carton 50 Carton Weight 11.50kgs / 25.35lb Carton Size 54cm * 28cm * 37cm / 21.26inch * 11.02inch * 14.57inch Loading Container 20GP: 476 cartons * 50 pcs = 23800 pcs40HQ: 1106 cartons * 50 pcs = 55300 pcs