1. Background

2. Core Product Advantages

• Stable wired power supply: Directly connect to 220V mains power, no frequent battery replacement needed.
• Multiple appearance options: Square & curved shapes, white & beige housings to fit wall switch panels and indoor wall styles.
• Built-in overheat protection with PTC component, effectively avoiding circuit burnout for safer long-time operation.
• Clear mechanical ding-dong tone, fixed volume around 80dB, loud enough to cover rooms, hallways and bedrooms.
• Standard reserved wiring terminals, compatible with most household embedded wall wiring boxes during decoration pre-wiring.

3. On-site Application Plan

1. Complete line pre-burial during house renovation. Embed wires from entrance door button to the indoor doorbell position.
2. Mount the main doorbell unit on the wall of living room or hallway, consistent with the height of wall power switches.
3. Visitors press the door key at the gate. The wired doorbell sends out clear ding-dong sound, reminding residents in bedroom, living room or bathroom.
4. For multi-room apartments, several doorbells can be connected in parallel on one circuit to realize whole-house prompt.

4. Solution Value

• Permanent wired connection eliminates signal dropout and pairing failure issues of wireless products.
• Low maintenance rate, plug-and-wire once installed, suitable for long-term fixed family use.
• Unified panel style with wall switches keeps wall surface neat and tidy without extra messy devices.
• Cost-effective bulk procurement, ideal for real estate developer bulk housing supporting procurement.