Wireless welcome doorbell, motion sensor, front doorbell, infrared detector, security alarm, Micro USB 5V

Features:

1. MOTION SENSOR: Wireless welcome doorbell alarm, using a sensor to detect motion and send signals to the receiver, with the option to select at least one transmitter.
2. MULTIPLE RINGTONES: The receiver adopts a doorbell design, with 22 different ringtones for individual preferences and 8 ringtones for commercial use.
3. WIRELESS DISTANCE: This wireless doorbell can transmit over long distances, with an open space range of up to 280 meters, suitable for larger locations or upper floors.
4. MULTIPLE FUNCTIONS: Motion-activated sensor ring, doorbell alarm, email alert, and a powerful yet quiet vibration reminder, suitable for private or quiet locations.
5. APPLICABLE LOCATIONS: This motion-activated doorbell is suitable for shopping malls, offices, factories, hotels, upscale clubs, homes, villas, etc., simple and practical.

Specifications:

Item Type: Wireless Doorbell
Model: KS SF20R
Receiver Battery: 3 x AA 3V Alkaline Batteries (not included)
Infrared Detector Battery: 3 x AAA 3V Alkaline Batteries (not included)
Power Supply: 5V Micro USB
Volume: 80-96dB
Transmission Frequency: 433.92MHz
Range film: Approximately 280m / 918.6ft outdoors
Ambient temperature: Receiving host: -10- 60℃; Infrared detector: -10-33°C
Ambient humidity: Storage temperature: -20-70°C

How to use:

Install the battery directly to use; please refer to the manual for details.

Package list:

1 x Receiver

1 x Infrared detector

1 x Bracket

1 x User manual

2 x Screws

2 x Plastic caps

1 x Double-sided adhesive tape