3.7V Lithium Power Level Indicator Module For Led Voltage Display Meter
brand new and

Features:
Ultra-thin Electricity display, 5 LED indicators, display more intuitive and more beautiful.
Connect the positive and negative terminal of the display board and connect it to the positive and negative ends of the to be tested. Lightly press the button with your finger and the IED lamp lights up to show the real-time power.
Loosen your finger and the LED light will be extinguished after 3-5 seconds of delay. power will be consumed during static operation.
3.7V lithium full charge 4.2V.
3.7V lithium uses a power indicator, 4 indicator (the other voltage range is 1 power indicator, 4 blue power indicator)

Display Electricity Quantity Parameter:（The following data is a reference value, there will be 2% error range）
1.When voltage is over Nx3.2V, it will illuminate 1 block electricity quantity (note: N represents quantity)
2.When voltage is over Nx3.4V, it will illuminate 2 blocks electricity quantity
3.When voltage is over Nx3.6V, it will illuminate 3 blocks electricity quantity
4.When voltage is over Nx3.8V, it will illuminate 4 blocks electricity quantity

Specification:
Voltage: 3.7V, full charge 4.2V
Display: 5 LED
Dimensions: 1.5x4cm/0.59x1.57inch
Quantity: 1 Pc

Package includes:
1 x 3.7V Lithium Power Level Indicator Module