Wireless Infrared Doorbell Wireless Motion Sensor Doorbell Alarm with 32 Ringtones Red Flashing Light 4 Volume Levels

Feature: 1. Wireless Infrared Motion Sensing: Features an infrared detector with 90dB alarm, built in speaker, and red flashing light. Wide detection range with 15 degrees vertical angle and 110 degrees horizontal angle, covering 2 6 meters in open areas. 2. Simple Interface: Designed with easy to use controls including mode switch, music playback, volume adjustment, power switch, and power interface. Select desired mode, adjust volume across 4 levels, and choose from 32 built in ringtones. Note: Music switch key functions only in music mode. The volume cannot be adjusted in the alarm mode. 3. Flexible Dual Power Options: Powered by either a power adapter or 3 AAA batteries (excluded). Using batteries is more convenient and does not have any restrictions on the installation location; while using a power adapter results in a longer battery life. 4. Simple Installation: Easy to mount with included double sided tape or screws. Choose the method that best suits your preferences. Designed for indoor use only; not water proof or dust proof. Avoid installing in rain, prolonged direct sunlight, strong magnetic fields, or too hot or cold temperature areas. 5. Versatile Application: Suitable for shops, and restaurants to play greeting voices or music upon entry. Also ideal for homes, sheds, and other entryways as an alert system, providing reliable awareness of visitors. Specification: Item Type: Wireless Doorbell Material: ABS Power Supply: Power Adapter Or 3 x AAA Batteries (Excluded)Doorbell Size: Approx. 79x50x77mm 3.11x1.97x3.03in. Package List: 1 x Wireless Infrared Doorbell1 x Double Sided Tape2 x Screws2 x Expansion Tubes