N911P Intelligent Infrared Sensor Recordable Doorbell Welcome Voice Prompt Loudspeaker

1. Material: ABS

2. Power supply: DC 5V, 3 x AAA batteries (not included in shipment)

3. Volume: 3-speed adjustable

4. Recording: repeatable recording about 20 seconds, induction playback twice

5. Sensing distance: 3-6 meters (affected by ambient temperature)

6. Sensing range: up and down 60 degrees, left and right 110 degrees

7. Working temperature: -25-55 degrees celsius

8. According to different scenes and time periods, set up different working modes: daytime welcome tips; night burglar alarms

9. Waterproof grade: not waterproof

10. Size: 32 x 55 x 83mm

Specification: