DoorHan 4‑Button RF Remote Control Transmitter
This DoorHan TRANSMITTER‑4‑Gray remote control is a premium replacement transmitter for automatic gate openers, garage doors, and electric rolling shutters. Built‑in advanced RF wireless control chip, it provides stable and reliable signal transmission for your access‑control equipment. Compact handheld size with clip‑on bracket for easy carrying and installation.
Main Features
- 4‑button multi‑channel design, supports multiple device control
- Dual working mode: Learning type & Copy‑clone type, simple and fast programming
- Long remote control distance: 10‑50 meters under open environment
- Powered by 2 pcs CR2032 coin‑cell batteries, ultra‑low power consumption
- High‑strength ABS plastic housing, wear‑resistant and durable
- Red LED indicator shows working status clearly
- No wiring required, plug‑and‑play after code matching
- Wide working temperature range, suitable for indoor & outdoor use
Application Scenarios
Perfect for residential and commercial access‑control projects. Widely compatible with garage door openers, electric rolling shutters, remote‑control door locks, barrier gates, anti‑theft alarm systems and various industrial control products.
Product Specifications
| Model | DOORHAN TRANSMITTER‑4‑Gray |
| Package Qty | 4 pcs / pack |
| Working Voltage | DC 3V |
| Power Source | 2 × CR2032 Coin‑cell Batteries (Not Included) |
| Control Distance | 10‑50 m (open area) |
| Working Mode | Learning Type / Copy‑Clone Type |
| Buttons | 4‑Button |
| Housing Material | ABS Plastic |
| Operating Temperature | ‑20℃ ~ 50℃ |
| Application | Garage Door, Rolling Shutter, Gate Opener, Remote Lock, Industrial Control System |
Important Notes
⚠️ Batteries are NOT included in package. Please prepare 2 pieces CR2032 coin‑cell batteries for each remote before use.
📦 Package includes: 4 × DoorHan TRANSMITTER‑4‑Gray remote controls.
⚠️ The actual remote distance will be affected by obstacles, metal barriers and surrounding signal interference.
⚠️ Please confirm frequency and code protocol before purchasing to ensure compatibility with your original receiver.







