Btstil PIR Infrared Motion Sensor Activated Voice Recordable Player Download MP3 Files Freely for Shop Sale, Garage Door Alert, Greeting Visitor Door Chime, Security Reminder (White)

• 【Practical Anti-theft Function】Infrared motion sound activated can play voice when the vehicle or people are detected automatically, the recording player can induct and alert the people want to approach to the store, scare away thieves.
• 【Wide Detection Range】The horizontal detection of the PIR infrared motion sensor is 120 angle while the vertical detection is 60 angle. Two-level volume adjustable and deliver crystal clear sound.
• 【Simple to Install】Install indoors, front door, corridor and so on. In order the best performance and to avoid false triggers, do not install in areas where have direct sunlight, large temperature variation, or near air conditioners and heaters.
• 【Two Power Supply Ways】Equipped with 3 *AAA battery slots and mini USB port, it can powered by 3 * AAA Batteries (not included) or the mini USB charge port. (Note: Do not support replace audio through mini USB).
• 【Wide Applications】When detecting the human body passing, it will give out warm welcome, Greeting prompt, warnings prompt, playing voice advertisement or others. According to the different applications, different audio files can be downloaded to have suitable effect.

Specification: Upload MP3 sound files with speech, music or any sound effect Two playback settings: Single track or multiple tracks In multiple track mode one track will play after each activation, (in file name order) Multiple track mode will not playback randomly Two volume settings: Low and high Two power supply options: 3 x AAA batteries(not included) or mini USB port File transfer using the built-in Micro USB cable supplied Audio playback format: MP3 format only Sensor activation distance: Up to 4 meters with a 120 Deg Angle Internal Memory: 4MB Package Include: 1* Motion sensor doorbell 1* Bracket