The CH1 chime is a steadfast ally for your existing EZVIZ battery doorbell. It creates pleasant ringtones to inform you of a visitor, and boosts Wi-Fi signal in a large house.

• For EZVIZ HP3 Pro and EP3x Pro doorbells.
• Supports 2.4 GHz Wi-Fi
• 20 Notification Ringtones
• Dual Antennas
• Simple Plug-In Installation
• 100-240V AC Power Supply
• EzViz product code: CH1