Digital Round Display Two-Wire DC Voltmeter 4-100V

Features:

• Use: It works for DC 4-100V, mini size and easy to install, work great for checking voltage.
• Large display: 3-digit LED digital tube, large numbers, quickly and easily read.
• Opening hole: The opening hole diameter is 3cm, easy to install.
• Reverse connect protection: It can be protective when connect the wire inversely or wrong.
• Compact design: It is compact, mini size and portable, easy to store and carry.
• Good quality: It is made from good quality plastic, which is durable, long lasting.

Specifications:

• Display color: Green/Red/Blue
• Shell color: Black
• Wire length (Approx.): 10cm
• Material: plastic
• Voltage: 4-100V
• Opening hole size: diameter 3cm
• Minimum start: 3.8V
• Permissible error: ±1%
• Input impedance: 100K ohms
• Working current: red 15mA, green 12mA, blue 12mA
• Refresh rate: approx.. 300mS/time
• Display: 3-digit round LED digital tube
• Operating temperature: -10℃∼65℃