Push to create kinetic energy, which gets converted into electricity. The switch then sends out a signal to a receiver, which switches the light on and off.
Requires receiver - see below
No need for a battery and no need to connect to mains
Flexible and easy installation
Long lifespan - rated to over 100,000 switches
Matt white finish
Up to 40m range (outdoors) / 15m range (plasterboard) / 8m (concrete or glass)
Works with mobile apps and voice activated devices