ML03 Self‑Powered Wireless Doorbell – No Batteries, Multiple Plug Options, Flexible Pairing
Never change batteries again. The transmitter generates its own power with each press – no battery, no wiring. Receiver available with US, UK, or EU plug. Supports 1‑to‑2 or 2‑to‑1 pairing for multi‑point coverage. 433.92MHz wireless technology with 50‑70m range through walls. Simple, eco‑friendly, and maintenance‑free.
No Battery Required – Press the button to generate electricity; no batteries ever needed
Zero Standby Power – Consumes no power when idle
No Wiring – Completely wireless installation, place anywhere
Ultra‑Compact Size – 68 × 34 × 17 mm, lightweight and discreet
Durable – Designed for long‑term use with no consumables
Universal Plug Compatibility – Available with US, UK, or EU plug standards
Simple Installation – Just plug into any standard AC 110‑240V outlet
Compact Design – 86 × 52 × 22 mm, slim and unobtrusive
Ready to Use – No setup or pairing required out of the box
1‑to‑2 Pairing – One transmitter can ring two receivers simultaneously – ideal for multi‑floor homes or large spaces
2‑to‑1 Pairing – Two transmitters can ring one receiver – perfect for front and back doors
Easy Setup – Simple pairing process, no complex programming
Reliable Frequency – 433.92MHz with OOK modulation
Long Range – 50‑70 meters open area; works through walls
Interference‑Resistant – Stable signal in typical home environments
No Batteries to Replace – Eliminates battery waste and replacement cost
Low Environmental Impact – Self‑generating technology reduces waste
Energy Efficient – Receiver uses minimal power (AC powered)
Homes, apartments, villas
Offices, shops, small businesses
Multi‑floor buildings
Front and back door installations
Elderly care facilities
Any location where battery replacement is inconvenient
| Parameter | Transmitter | Receiver |
|---|---|---|
| Model | ML03 | ML03 |
| Power Supply | Self‑generated (no battery) | AC 110‑240V, 50/60Hz |
| Standby Power | 0μA | Standard AC consumption |
| Wireless Frequency | 433.92MHz | 433.92MHz |
| Modulation | OOK | OOK |
| Wireless Range | 50‑70 meters (open area / through walls) | – |
| Pairing Modes | 1‑to‑2, 2‑to‑1 | 1‑to‑2, 2‑to‑1 |
| Plug Types Available | – | US, UK, EU |
| Dimensions | 68 × 34 × 17 mm | 86 × 52 × 22 mm |
| Net Weight | 85g (total for both units) | – |
| Installation | Adhesive or screw mount (no wiring) | Plug into AC outlet |
| Color | White | White |
