Features:_x000D_ 1. With 8 sets of time brightness Settings, timer switch, simulate the different brightness switch of nature. _x000D_ 2. Combine the timer and the dimmer into one._x000D_ 3. 100 level dimming to meet the requirements of various plants and pets for light._x000D_ 4. The opening and closing adopts gradient mode to reduce impacts on fish._x000D_ 5. Industrial-grade LED display, reading can be seen from any angle clearly._x000D_ _x000D_ Specifications:_x000D_ Material: Plastic_x000D_ Color: Black_x000D_ Size (Length*Width*Thickness): Approx. 7*4*1 cm/ 2.76*1.57*0.39 inch (Without Cable)_x000D_ Single Side Cable Length: Approx. 9.5 cm/ 3.74 inch_x000D_ _x000D_ Packing List:_x000D_ 1 * Light Modulator_x000D_ 1 * English Manual _x000D_ 1 * Adhesive Tape_x000D_ _x000D_ Operation Steps:_x000D_ Step 1: Open the package and take the dimmer out. _x000D_ Step 2: Connect the dimmer to the LED lamp. _x000D_ Step 3: Plug in the power to automatically turn on the dimmer. _x000D_ Step 4: Set the dimmer parameter. 1With 8 sets of time brightness Settings, timer switch, simulate the different brightness switch of nature. 2Combine the timer and the dimmer into one. 3100 level dimming to meet the requirements of various plants and pets for light. 4The opening and closing adopts gradient mode to reduce impacts on fish. 5Industrial?grade LED display, reading can be seen from any angle clearly.1 * Light Modulator 1 * English Manual 1 *AdhesiveTape