Daytech Wireless Door Chime, Door Dinger For Business Entry/Store/Home/Office, Door Alarms When Opened With 800 Ft Range,55 Chim

Do You Want To Protect The Security Of Your Home? Do You Still Worried About The Elderly And Children Sneaking Out Of Home? Do You Want To Run Your Store More Efficiently? What Are You Waiting For? Don'T Hesitate, Daytech Door Chime Is A Good Choice For You. It Is Made Of High Quality Abs Material, More Robust And Durable. This Door Chime Has Been Tested Tens Of Thousands Of Times For Longer Life. With A Working Distance Of 1000 Feet, You Won'T Miss A Single Doorbell Alert. Protect Your Home Security At All Times. How To Change The Ringtone: Step 1:Press The '' Forward '' / '' Backward '' Button On The Receiver To Choose Your Favorite Melody. Step 2:Press And Hold Down The Volume Button ,Until It Makes A ''Ding'' Sound And The Receiver Indicator Flashes. Step 3:Separate The Sensor Quickly,It Will Makes A ''Ding-Ding'' Sound And The Receiver Indicator Flashes. Step 4:Separate The Sensor Again To Confirm Whether The Current Ringtone Is The One You Have Set,If Yes,The Pairing Is Completed. How To Pair More Transmitters: Step 1:Press And Hold Down The Volume Button On The Receiver Until It Makes A ''Ding'' Sound And The Receiver Indicator Flashes. Step 2:Separate The Sensor Quickly,It Will Makes A ''Ding-Ding'' Sound And The Receiver Indicator Flashes. Step 3:Separate The Sensor Again To Confirm Whether The Receiver Can Sound,If Yes,The Pairing Is Completed. If The Receiver Can Not Work When You Receive It, Please Pair It To The Sensors. Specifications? Working Voltage Of Receiver: 110-260V Transmitter Battery:3V 23A Alkaline Battery Volume Range: 0 To 110Db Range: 1000Ft (In An Open Area) Operating Temperature: -2F To 158F /-18C To 70C Package Door Chime Set Double Sided Adhesive Tape 12V 23A Battery User Manual Notice:The Installation Gap Between 2 Parts Of The Magnetic Sensors Should Be Less Than