Features:new and high qualitySuitable for firmware burning test of ESP12S12F12E07S0701S01 modules.Support firmware one click download function.Safe and reliable, small size and long service life.Lead out all ports and can be used as minimum system development board or fixture for small batch burning.ESP8266 Burner Development Board also has power indicator light, burning indicator light communication indicator light.Specifications:Material:ABSApplication:For ESP12S12F12E07S0701S01Size:Approx.46x49mm1.81x1.93inchesNote:1.Please allow 12cm errors due to manual measurement, make sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1x Development Board