Description Material Experimental Board Mixed AlloyColor BlackChip Module CP2102Working Temperature 40 ℃ 125 ℃Power Input 4 5V 9V 10VMAX USB poweredDrive Type Dual high power H bridge driverCurrent continuous transmission 70mA 200mA MAX Standby 200uASize L X W 4 8X2 5cm 1 89X0 98 appr Features A great set of tools to develop ESP8266 ESP8266 has IO Pin ESP8266 full IO mouth leads directly download without resetting Open source interactive programmable low cost simple smart WI FI enabled Greatly speed up your IOT application developing process Notice Please allow 1 5mm error due to manual measurement and make sure you do not mind before ordering Please understand that colors may exist chromatic aberration as the different placement of pictures Package included 5 x ESP8266 CP2102 Development Board