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Motion sensor voice module is used in toys, where you can put in hotels and stores. When someone come across the front of the module, then the motion sensor can work, and there are some graceful sound. The details as follws: 1. Valid distance: 2 meters.
2. The shape and size can be designed according to your requirements.
3. There are 2 PCS AA batteries.
4. ON/OFF switch.
5. You can custom the sound.
