DIY 0.56" 4-Digit LED Electronic Clock Temperature Display Module - Green
Model: 6938 - Color: Green - Material: PCB + Plastic + copper - Wide working voltage: 3~5V - 4 display modes: Only time / only date / only temperature / alternate display - Temperature display function display range: -9~60'C with error correction setting (-5~5'C) - With time display error correction function (-9~9sec) need 24 hours continuous power supply - Uses DS1302 chip for time keeping comes with 1 x CR1220 battery - Uses 5PRM crystal oscillator high accuracy - Great for DIY projects