Features: Counting range : 0~999, the counting value will be cleared after power off. When the count reaches the set value, the timer can be triggered to make the relay open or close for preset time. Timing Range: 0.1 seconds~ 999 minutes adjustable, relay can be closed first and then opened, it can be also opened first and then closed. A set of conversion (normally opened and normally closed). The pre-set parameters can be saved after power off. Specifications: Operating Power: 12V / 24V (Optional) Material: PCB Contact Load: 10A/277V AC or 10A/30V Direct Current Contact Resistance: 100m (1A 6V Direct Current) Mechanical Durability: 10 millions Electricity Durability: >100,000 (10A-250VAC) Operating Temperature: -40~85 Item Size: 50 * 40 * 20mm / 1.97 * 1.57 * 0.79in Item Weight: 27g / 0.95oz Package Weight: 30g / 1.06oz Package Size: 5 * 4 * 2cm / 1.97 * 1.57 * 0.79in Package List: 1 * Module