Features:1. Constructed from durable black plastic material that resists deformation and breakage during long-term use.2. Intelligent cycle timer with 3/6/12-hour settings, allowing flexible scheduling for aquarium lights.3. Compact size (6.30 x 5.00 x 3.70 cm / 2.48 x 1.97 x 1.45 in) fits easily into standard outlets.4. Simple design, easy to install and operate, providing a convenient way to automate lighting cycles.5. Adjustable timing function helps maintain a stable environment for fish while saving energy and effort.Product Details:This automatic timing controller is made of sturdy plastic for reliable everyday use. It features an intelligent cycle that can be set to 3, 6, or 12 hours, plus a customizable 4-hour option (adjustable based on your needs). The timer is compatible with aquarium lights and other low-power equipment. Its compact black body blends well with any setup. Voltage: 220V. Includes 1 pack.Specifications:- Color: Black- Material: Plastic- Dimensions: 6.30 x 5.00 x 3.70 cm / 2.48 x 1.97 x 1.45 in- Voltage: 220V- Timing Cycle: 3/6/12 hours intelligent cycle (plus 4-hour adjustable option)- Compatibility: Compatible with aquarium lights (use with devices up to rated load)