APUSBGM1 USB/volt meter - suits - No longer available from wholesaler
Description:
USB Charge socket (2.1A Max) with LED voltage indicator
Suits spare factory switch location in select Holden and Isuzu Vehicles
Vehicles known to work with this product:
Holden Rodeo 2003-2008 RA (Dual Cab/Crew Cab/Space Cab) 
Holden Rodeo 2003-2008 RA (Single Cab)
Holden Colorado 2008-2012 RCProduct is no longer for sale and has been Discontinued from production.