Cruxer Wireless Door Chime With Motion Sensor Doorbell Chimes For Business When Entering,Door Buzzer Alarms Ringer When Door Ope

Packing List: 1* Infrared Sensor 1* Receiver 1* Bag Of Mounting Screws 1* User Manual Parameters Frequency: 433Mhz Transmission Distance: 280M(Open Area) Pir Sensor Angle: 100 Degree(Horizontal);15 Degree(Vertical) Sensor Range: 2~8M Volume: 4 Level Brightness: 4 Level Power Supply:Aaa Battery Or Usb 2.0 Micro-B Features Welcome Mode When Customers Pass By, Doorbell Receiver Will Ring Welcome Song To Remind You. This Mode Is Suitable For Shops, Grocery Stores, Small Business. Doorbell Mode When Friends Or Families Come To Visit You; When Your Takeaway, Package Comes, You Will Get Prompt Message Even You Are At 2Nd Or 3Rd Floor. Burglar Mode When Motion Sensor Is Placed At Entrances Of House, Shop, Small Business, Barn, Factory Or Any Other Buildings, Receiver Is Under Anti-Theft Mode. Night Falls, Once It Is Triggered By The Unwanted Guests, Loud Alarm Will Give You A Prompt Alerts. This Mode Is Suitable For Shops, Grocery Stores, Small Business. Colorful Light &Amp; Night Light Mode Under This Mode, When You Family Come Back After Working Overtime, Soft Light Will Give You The Prompt Remind. In Order To Anti-Theft, You Can Choose The Night Light, Rather Than The Loud Alarm, As A Prompt Alerts.