Brand N/AModel N/AQuantity 1Color Black + silverMaterial PCBFeatures Pin instruction: GND: grounding; TCK; RXD: connects to targeted board P3.1; RST; TXD: connects to targeted board P3.0; NC: void; With indicator: flashing during data transmission, steady if there is no data transmission; Built-in 500mA auto-recovery fuseSpecification Input voltage: USB 5V; Output: 5V / 3.3VApplication Download program for STCEnglish Manual/Spec YesPacking List 1 x Programmer4 x Cables (21cm)