Digital 5 Function Meter

• Voltage meter - high accuracy readout shows start-up/running conditions of your battery
• Clock - adjustable to 12 hour or 24 hour international time
• Temperature gauge - switchable between Centigrade & Farenheit
• Stop Watch - 1/100 second
• Ice Alert

Additional features:

• No batteries needed
• Kit includes 10 foot water resistant sensor wire 
• Attaches with Velcro
• Backlit green
• Measures 5 1/2" long x 1" tall x 11/16" thick

Kurt says: "This meter is not waterproof ... still it offers so many valuable functions it is worth working with to make it adventure ready. There are a variety of approaches: 1) you can install it with quick detach electrical connectors and pull it off in a rainstorm or when washing the bike; 2) you can install it within a clear Zip-lock type bag; 3) you can use the Navy Seal approach and encase it in prophylactics.
Here is a review and another approach using a clear shower curtain:

5 function meter motorcycle review

Shown mounted on Happy Trails '08 KLR650 dash (not included).