CACAZI Smart Pet Bell for Dog Cat To Go Outside Waterproof Touch Button Dog for House-Training

Features and Specifications Mini design, fashionable and portable, easier to carry and install. Off memory function: No need to re-adjust and lock the ringer after powering off and on again. The transmitter has a screw less chuck design that is water and dust resistant without the need for a rubber ring. The transmitter uses CR 2032 alkaline batteries (batteries are not included and must be purchased separately). The receiver is plugged in for use and provides EU plug. Receiving distance: 300 meters in an open area. The wireless signal will be affected by obstacles. The more obstacles, the more serious signal loss. Receiver has 5 volume levels (can be muted) 0-110db, 60 ringtones to choose from. Size: Transmitter 67mm*67mm*15mm, Receiver 90mm*56mm*20mm. Caution The button can't be placed on the metal door, metal will interfere with the doorbell induction signal. How to pair the signal? Pairing method: Press and hold the volume button on the receiver for about 5 seconds (the indicator light is on), release the volume button, and then press the button immediately, the signal is paired successfully.