Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.

Features: - High quality, small sized, easy and convenient to carry - It can measure current and voltage of the power supply equipment with USB port - The voltage and current will be displayed circularly - Plug and play, no extra power supply needed. Workable range: U= 3.5 - 7.0V, A= 0 - 3A Resolution: Voltage 10mV, current 1mA Error Range: Voltage Full-scale Voltage Drop: 200mV Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.

Workable Temperature: 0 - 60C Color: Blue or White Product Dimension(L x W x H): 52 x 34 x 15mm Product Weight: 17g Approved: CE / FCC