... Staircase Time Switch(Mechnical Time Switch) Type: ALST8 Time range: 1 to 7 M Voltage: 230VAC 110VAC Contact: 16A 250VAC Staircase switch Time Switch ... (mechnical timer)Features:1) Type: ALST82) Time range: 1, 1.5, 2, 2 ... AC 110V, 220V, 230V, 240V5) Electrical life: 100,000 times6) Mechanical life: 10,000,000 times7) Minimum setting unit: 0.5 ...