Overview
The EZVIZ CH1 (model CS‑CH1) is a plug‑in smart chime engineered to work with EZVIZ battery doorbells (commonly compatible with DB2 / DB2 Pro / DB2‑B series and related EP/HP/CP models). It provides audible in‑home alerts when the doorbell is pressed, selectable ringtones, adjustable volume and private hours, and acts as a Wi‑Fi relay to help maintain a reliable connection between battery doorbells and the home network.

• Compatible with EZVIZ battery doorbells (DB2 series and similar models).
• 20 selectable ringtones, adjustable volume and mute/private hours.
• Built‑in high‑power speaker — up to ~72 dB at 1 m.
• 2.4 GHz Wi‑Fi relay (802.11 b/g/n) to improve doorbell connectivity.
• Simple plug‑in installation (AC 100–240 V) and setup via the EZVIZ mobile app.

Who is it for?
Homeowners and installers who use EZVIZ battery doorbells and want a simple in‑home chime with flexible tones and improved wireless reliability. Suitable for DIY installation and professional fitting — plug‑in setup and app pairing make deployment straightforward.

Installation & safety
Plug directly into an AC mains socket (100–240 V). Follow instructions in the official user manual for pairing and placement. Do not expose to prolonged moisture; operate within specified temperature and humidity ranges. Check the product and packaging for local regulatory markings (CE / UKCA) before sale or installation.

Box contents
CH1 chime, Quick Start Guide and regulatory information. For full technical details and setup instructions refer to the official manual.