1 It is safe to use, the product has reverse connection protection, and the reverse connection of the instrument will not burn. 2 Easy to use, battery symbol + voltmeter, two display modes can be switched at will. 3 LCD display, blue backlight, can more intuitively observe how much power is left. 4 It is suitable for all kinds of instruments and meters, mobile portable devices, mobile power supplies, etc. 5 The installation is simple, just need simple steps to complete, use the red and black wires to connect the positive and negative poles.
What's in the box
1 x Voltmeter
