Features148 Times Settings: The timer is programmable in 30 minute intervals, has 48 times setting options in 24 hours, re arrangeable for individual settings2Waterproof: The timer is equipped with protective cover, which is waterproof, protecting the timer from weather conditions, more secure for outdoor use3Safe and Durable: The mechanical timer is made of excellent ABS material, with two ground sockets, safe and durable4Simple to Use: Always turn the timer dial to the current timer first, push the pins down to set the time on, pull other pins up to set off5Built in Rechargeable Battery: The timer has built in rechargeable battery, can be used for long time after once full chargedSpecificationItem Type: 24 Hour Mechanical TimerMaterial: ABSModel: SUL181hBattery: 1 x Rechargeable NI MH 3.6V 80MAH button battery (built in)Contact Capacity: AC230V 16ATime Range: 24hContact Resistance: 50mInsulation Resistance: 100mAmbient Temperature: -40 to +55Storage Time: 150 hoursMinimum Setting Unit: 30 minutesSetting Times: 30 minutes per time, 48 timesPackage List1 x 24 Hour Mechanical Timer1 x Manual