[Easy to Use] Mechanical operation for easy setup, free & flexible; ① Rotate the timer dial to set current time, ② Push pins down (Timed ON) or pull pins up (Timed OFF) to set indoor outlet timer on/off time; Perfect for your lights, plant grow lights, holiday decors, coffee makers, electronics, etc. [Daily Cycle Timer & Energy Saving] each pin for 30mins interval for precise scheduling; outlet timer with daily on/off cycle timer function, reduce electricity costs and long lifespan of appliances; with Always ON mode for different needs [Dual 3-Prong AC Outlets] Timers 4 pack & each with dual 3-prong grounded AC outlets; simply plug timer into your grounded outlet, powering 2 appliances at the same time to meet your timing needs; save energy and reduce electric bills at home and office with this indoor timer [Compact Design Plug In Timer] Small size & compact design perfect for space-saving, No obscure your other outlets; with functionality and safety, this light timer for indoor lighting is a reliable choice for your needs Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the United States, the Philippines and so on. voltage: AC110V Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Material: plastic colour: White Package Contents: 4 x timer outlet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.