Infrared recorded receiving apparatus Store welcome infrared doorbell burglar alarm available welcome to day and night

This product is a infrared induction greeter, when used with transformer or fitted with three AAA 1.5 V battery (without battery) when shipped, the receiving device is placed in the location of the customers in and out of, will switch to the ON position, infrared distance is 3 to 10 meters, it is recommended to use the place with enough light, when the sound becomes weak, please replace the battery in time.

Language: can according to customer's need to be replaced at any time you want, you can repeat the tape 1000 times
Material: plastic