TT2L, radio receiver and control unit to control lighting systems. To control loads at a mains voltage of 230 Vac with up to 1000 W/500 VA of power. Easy to connect with the switch wired directly to the mains power. Can memorise up to 30 transmitters in Mode I: ON - OFF Mode II: ON/OFF - SPONTANEOUS POWER ON - TIMER1 - TIMER2. By connecting to the Volo S-Radio climate sensor, the lights can be switched on and off via the 'Sun' sensor. The timer can be programmed to a maximum of approximately 9 hours; optimised programming procedure; maintains the values set even in the event of power failure. Can be connected to a switch for control via wire with ON/OFF mode.