Smart Remote Control Wireless Door Bell No Wiring Battery Powered High Distance Door Chime Security

Doorbell UnitThe doorbell requires 1x23A/12V battery (Included in the boX)To install the battery, pry off the back cover using a small flat- head screwdriver in the small notch at the bottom of the doorbellTo finish, clip the back cover back onto the doorbell unit and make sure it is fitted tightly.Doorbell Push ButtonPeel off one side of the adhesive strip and attach it to the rear of the backing plate, ensuring none of it is visible from the front.Find the area you want to mount the push button. Flat, smooth surfaces are ideal. Make sure they are clean and dry before mounting.Peel off the other side of the adhesive strip and attach the push Button to the mounting surface.WARNING:Modifications not approved by the party responsible for compliance could void user's authority to operate the equipment.SpecificationsOperating current (receiver unit): AC 110-240V, 50/60HzOperating current (doorbell unit): 12V (1x23A Battery, Included)Transmission Range: 300M/1000ft (Open Area)Transmission Frequency: 315Mhz/433.92MhzPower consumption of transmitter: