Staircase Timer Light Switch, 220 → 240 V ac

Variable delay timer to control stairwell lighting
A momentary action push button will initiate the output, which will then time-out after the pre-set period
Permanent ON feature
Automatic recognition of 3-line or 4-line connection
Caretaker function
Pulse pre-warning facility
Incandescent lamp load 2000W

Staircase