Greencycle Door Sensor Chime, Motion Detector Alarm, Commercial Door Bells For Business Entry, Home Security Alert (918 Feet, 36

5 Model Welcome Languages And 36 Ringtones: You Can Choose Your Favorite Ringtone For Your Home Or Store. 4 Level Volume Adjustable:Welcome/Doorbell/Alarm Model Has 4 Level Volume Adjustable, 113-25Db.So You Don'T Need To Worry About The Volume Is Too Loud Or Too Small. 4 Brightness And Color Selectable:Color Light Or Lighting Mode Is Silent And Has 4 Levels Of Brightness Adjustable. You Can Choose These Two Modes When You Don'T Want To Be Disturbed By The Ringtone. The Color Light Model Also Has 4 Colors Selectable, You Can Set Different Colors For Different Doors. Expandable Wireless Home Security:Each Receiver Of This Motion Sensor Detects Alarm Can Work With 32 Infrared Transmitter/ Magnetic Sensor And 8 Remotes At Most. Wide Wireless Range:Open Places Working Range Up To 280M/918Ft Between The Receiver And Infrared Transmitter. Detection Range Of The Infrared Sensor Approximately 4-8M/13-26Ft.If The Device'S Working Distance Becomes Shorter, Please Replace The Battery Or Recharge It In Time. Memory Function:Remember Your Last Set Melody And Volume Level After Power Off, Then Don'T Need To Reset To Your Previous Settings Again. Wide Applicable:Very Suitable For All Kinds Of Shops, Upscale Clubs, Hotels, Offices, Factories, Homes, Banks, Store,Garage, Supermarket, Boutique,Villas, Mailbox, And So On.Can Be Used As A Doorbell During The Day, And Converted Into An Anti-Theft Alarm At Night. 5 Modes Switchable:1 Welcome,2 Doorbell, 3 Alarm,4 Color Light, Lighting Model,5 Modes Cyclically Switch Receiver Power Supply: Micro Usb (Not Included) Or Aa Alkaline Battery X 3 (Not Included) Infrared Transmitter Power Supply: Micro Usb (Not Included) Or Aaa Alkaline Battery X 3 (Not Included) Working Temperature: -14-90 F Transmitter Detection Angle: Up And Down 360 Degree, Left And Right 360 Degree