http://www.tech21nyc.com/products/effects/midi-mongoose/
https://www.thomann.de/gb/tech_21_midi_mongoose.htm?sid=37365a0a379b46bbbe455806d0b3cbde
MIDI MONGOOSE FEATURES
Three modes of operation:
• Standard 9V alkaline battery (not included) provides a minimum of 200 hours usage
• Optional power supply (Tech 21 Model #DC4)
• Phantom power via the MIDI cable
• Access 128 patches on any of the 16 selectable MIDI channels
• Smooth-action custom actuators
• All-metal housing
• Large, non-glare LED display can be read from any angle, in daylight or darkness
• Probably the world’s smallest manuals for any MIDI product
• Size: 11.5”L x 2.5”W x 1.25”H
Originally bought to use with the Line 6 Stomp, but my Helix LT has just been my go to!
Comes in original packaging. Yes, the tin (that are no longer supplied with Tech 21 pedals) is unmarked! - Not that it makes any difference to the price, but its a nice-to-have, right?