The JETech wireless doorbell operates within a 600ft-750ft range. With an adjustable volume level that adds to its functionality, this portable doorbell is very versatile and effective. JETech Portable Wireless Doorbell Features. 50 ring tones - This doorbell comes with 50 ring tones which you can chose from. The different tones are easy to The packaging includes a user manual for easy installation as well as a lifetime purchase protection from the manufacturer. JETech Portable Wireless Doorbell. The JETech Portable Wireless Doorbell comes with over 50 doorbells chimes to choose from and comes with a 12V battery for the remote control. It has wireless capability. 2. Remove the push button from the exterior wall. Use a small flathead screwdriver to remove the button cover and expose the circuit board. Dry the interior of the push button with a paper towel. Contents hide 1 Swann DC810B Wireless Doorbell Kit 2 PRODUCT OVERVIEW 3 INSTALLING BATTERIES 4 Operating Guide 5 Limited Warranty Terms & Conditions 5.1 Battery Safety Information 6 Documents / Resources 6.1 Related Manuals / Resources Swann DC810B Wireless Doorbell Kit PRODUCT OVERVIEW INSTALLING BATTERIES SPEAKER UNIT The Speaker unit requires 3 x AA batteries … Continue reading "Swann