ITEM NAME:DIY Kit Module 9V-12V AT89C2051 6 Digital LED Electronic Clock Parts JR Introduction: IT IS KITS ONLY. That is to say, all items are not welded on the pcb board. buyers have to weld them on the pcb board by themselves. we gurantee all items on the following listing included. ONLY for professionals. kits assembled is not a very complex work but if you are not professional, item maybe get broken. we cannot offer the warranty for incorrect welding and assembling. Features: 1.Working voltageï ¼Å¡DC6-12V 2.Recommend voltageï ¼Å¡DC5V 3.Recommend batteryï ¼Å¡CR2032 4.Working currentï ¼Å¡35mA 5.Standby currentï ¼Å¡1.2mA Package included: 1x DIY Kit Module 9V-12V AT89C2051 6 Digital LED Electronic Clock Parts Components.Standby currentï ¼Å¡1.2mA. Working currentï ¼Å¡35mA.