Sealing level: IP55. Operating temperature: -30°C to +70°C Working distance: 300m (without barrier) Working frequency: 433.92 Volume: 0-110 dB (adjustable in 5 levels, with mute function) Battery: 12 V 23 A zinc-manganese alkaline battery (not included) Receiver (LxWxD): 661.5 cm Emitter (diameter x thickness): 7.85cm Package includes: 1receiver, 1*transmitter Simply push or slide the doorbell on the touchpad to activate the wireless doorbell with your nose or paw. The interval between two chimes is approximately 20 seconds. No need to press. Any small or large dog can do this. EASY TO INSTALL - All potty training dog bells are wireless. Use 3M double-sided tape to stick the transmitter on the door/floor/wall or circuit board and place it where you want. Simply plug the receiver into a power outlet. The correct method is simple and easy to use. ADJUSTABLE SOUND AND VOLUME - The smart dog doorbell provides 55 ringtones and 5 volume levels from 0dB to 110dB for you to choose. Set it
