Blue Sea Mini oled meters

Monitors DC voltage on a bright, waterproof, daylight readable OLED screen
Reverse polarity protected
Mounts in a common 1-1/8" (29mm) hole
Color    Yellow
Meter    Voltage
Nominal Voltage    12V DC
24V DC
Resolution    0.01 DC
Accuracy    ± 1.0%
Cut Out Dimensions    1-1/8" in (28.58 mm)
Input Voltage Range    8-36V DC
Lifecycles    100,000 hours
Operating Current    15mA
Operating Temperature Range    -40°C – 70°C (-40°F – 158°F)
Weight    0.20lb (0.09 kg)