Features FLAME DELAYING SHELL: Using PC flame retardant shell, which is corrosion resistance, safer for the use of electricity. EXCELLENT CHIP: The industrial timer adopts upgraded time control chip, with low power consumption and accurate time control ability. WIDE APPLICATION: This timer switch is widely used in state grid, transformer station, shopping mall supermarket, home residence, etc. Easy to read: Clock design, can be read directly, you can confirm the current time more easily and more accurately, with the minute adjustment button. PROTECTIVE COVER: The transparent waterproof and dustproof cover can effectively prevent water and dust from entering, ensures safety. Specification: Item Type: Mechanical Timer Material: flame retardant PC Model: SL-189 Operating voltage: AC220V Drive Type: Quartz Motor Type Delay: 24 hours Minimum setting unit: 15minutes Package list: 1 x Mechanical Timer 1 x Manual Package List 1 x Mechanical Time Switch 1 x Manual