Brand N/A Model V89 Quantity 2 Color Green + black Material PCB + plastic Specification COB packaging; Operating voltage 2~5V; Timing range: 2 seconds to 1000 hours; Small size simple external circuit; You can set different delay time by changing the impedance of resistor; Accurate delaying time greatly improves the work efficiency of electronic engineers. Features Timing range: 2s ~1000 hours Application Great for delaying time and definite time in module English Manual/Spec Yes (Please visit the website to check the details: http://m5.img.dxcdn.com/CDDriver/CD/sku.221756.pdf ) Packing List 2 x ICs