This mPower Fascia light is a popular model from SoundOff that is designed for quick mounting with double sided tape (not included, we recommend 3M brand for best adhesion). Despite it's very small profile, it is incredibly bright and packed with features and flash patterns. 
 
Wiring: 12V DC, power/ground, pattern change, etc.
Mounting: Double sided tape, flat mount to surface (tape not included)
Dimensions: 3" length x 0.5" depth x 0.75" height
Condition: Used/good, bench tested & cleaned
 
Sold as-is