DC5-80V ESP8266, Wireless WIFI Relay, Module 1 Channel ESP-, 12F Wifi Development, Board Power Supply for, Arduino MG958 Servo Motor first insert a fresh AAAA

first insert a fresh AAAA battery into the battery compartment at the pen's base

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5V Input Operating Voltage 3

Wide Input Range: AC input with universal voltage compatibility

With a 1-meter cable length and high-temperature rating

DC5-80V ESP8266, Wireless WIFI Relay, Module 1 Channel ESP-, 12F Wifi Development, Board Power Supply for, Arduino MG958 Servo Motor first insert a fresh AAAADC5 80V ESP8266, Wireless WIFI Relay, Module 1 Channel ESP , 12F Wifi Development, Board Power Supply for, Arduino