HONGUT LED Neck Reading Light, Rechargeable Neck Light for Reading in Bed, 8 LED 2 Modes, Bendable Arms Swing Head, Brightness Adjustable Neck Book Lights Amber Light for Camping, Repairing, Knitting auspowers_batchsix or it may damage the

or it may damage the MCU

The gauge is filled with silicone oil which can work in low temperature from -40℉ to 140℉(-40℃~60℃)

They can be glued

you can print directly

Horizontal line accuracy: 2 mm / 10 m (one direction) Vertical line accuracy: 2 mm / 5 m (one direction)

HONGUT LED Neck Reading Light, Rechargeable Neck Light for Reading in Bed, 8 LED 2 Modes, Bendable Arms Swing Head, Brightness Adjustable Neck Book Lights Amber Light for Camping, Repairing, Knitting auspowers_batchsix or it may damage theHONGUT LED Neck Reading Light, Rechargeable Neck Light for Reading in Bed, 8 LED 2 Modes, Bendable Arms Swing Head, Brightness Adjustable Neck Book Lights Amber Light for Camping, Repairing, Knitting HONGUT Rechargeable Neck Reading Light USB rechargeable neck light with flexible arms swing head, 2 different color temperatures: amber light & warm white light, 100% to 10% brightness for bed reading to protect your eyes. Block 99. 94% Blue Light This