Features: 1Using STM8S005 as the main control, built-in procedures, welding light pipe can be used directly. 2Support seven clock color display (containing RGB lamp). Added USB interface power supply, more convenient to use. 3Using imported high precision clock chip, a year less than 1 minutes error. 4Adopts integrated IC drive program, the display is more stable and reliable. 5Functions: 24 hour mode, time display, anti-poisoning program(refresh the monitor every 10 minutes), no alarm, no remote control, no time switch. Condition: 100% Brand New Item Type: Digital Clock Module Board Model: IN14 Material: PCB Color: Blue Quantity: 1PCS Input: 11V~13V1ADC Power5.5-2.1 Power Supply: 1 x CR1220 Button Battery(Not Included) Weight: Approx. 40g Size: Approx. 187x48mm/7.36x1.89inch Set Time: Click SET key into setting time. Click Up,Down to set time, and click Set to finish. 12/24 hour module: Click Up key to change Sleep module. Click SET long, while no display , into sleep module(22:00~07:00 no display. 07:00~22:00 display). Display all 0number,out of sleep module. Set refresh time: Click UP long, and click UPor Down. refresh can be set 1~9 minutes, Set back color: Click Down to change color. when color refresh that means it is into change color automatic (every day change one color),or color is fixed. Package Included: 1 x&nbspIN14&nbspDigital Clock Module Board