1Customer flow statistics, once a customer enters or leaves the store, the customer flow increases once. You can use the APP to view the real time customer flow in the upper left corner of the device page. 2Indicator light, different working states show different colors of the light, purple flashing in pairing, blue flashing in WiFi distribution network, green intelligent greeting mode, yellow guarding mode, cyan flashing there is a visitor. 3Anti theft alarm, night can adjust the anti theft alarm mode, can keep your shop safety, protect the safety of property. 4In defense deployment mode, when the sensor detects people, the greeting sound and light will be turned on at the same time, and the reminder mode corresponds to different groups. 5One machine multipurpose, welcome guests and anti theft, enter the store, timely reminder, do not leak customers, ensure your good business. Item Type:Motion Sensor Doorbell Material: ABS Use: Restaurant, bar, supermarket Battery: 3.7V lithium battery 300mah (built in battery) Frequency: 433 MHZ WiFi: IEEE802.11 b/g/n Ringtones: 30 Infrared Distance: Approx. 5m/5.28yd Infrared Angle: 100 horizontal, 30 vertical Volume: 85DB(A) Operating Temperature: -10-55 1 x Doorbell 1 x USB Cable 2 x Screw 2 x Expansion Pipe 1 x Sticker 1 x Manual