Wireless Light Switch, Battery-Free, Self-Powered, 2-Way RF 433 Transmitter Switch, Gharelec GISF-2702

Wireless Light Switch, Battery-Free, Self-Powered, 2-Way RF 433 Transmitter Switch, Gharelec GISF-2702

Model: Gharelec GISF-2702

The GISF-2702 RF433 wireless switch is a self-powered (battery-free) transmitter designed to control a 433 MHz compatible double-output relay receiver.
Thanks to kinetic energy technology, a simple press of the button generates the energy needed to send the radio signal – no batteries, no wiring required.

Key Advantages

Battery-free / Self-powered (kinetic energy technology)

433 MHz RF radio transmission

Quick installation without wiring or construction work

Compatible with 433 MHz RF relays (ON/OFF, bistable, or pulse depending on the receiver)

Ideal for lighting, gates, pumps, automation, access control, etc.

Technical Specifications

Detailed Feature
Model GISF-2702
Brand Gharelec
Type Self-powered wireless RF transmitter
Radio frequency 433.92 MHz
Power supply Press-activated power generation (no battery)
Number of channels 2 channel (2 relay output)
Range Up to 20–50 m indoors*
Control type ON/OFF (depending on receiver configuration)
Installation Wall mounting (adhesive or screws)
Color White
Operating temperature -10°C to +50°C
Mechanical life > 100,000 presses
*Range depends on the environment (walls, interference, obstacles).

Operation

Pair the switch with a compatible RF433 relay receiver.

Install the transmitter in the desired location (wall, entrance, office, etc.).

Press to control the relay output (light on, gate opener, etc.).

Perfect for:

Adding a control point without running cables

Upgrading an existing installation

Creating a wireless two-way switching system

Controlling a relay in an electrical panel

Common applications:

Controlling indoor/outdoor lighting

Controlling a relay for a pump or fan

Operating an access control system

Simple and economical home automation

Reliable product, easy installation, and zero maintenance (no batteries to replace).

A practical solution for easily modernizing your electrical installations.