Tronical Tuning System Gibson (used)

Autotunes your guitar in seconds
Works with all strings
36 configurable custom tunings
Charger not included (available online)
A TronicalTune set contains:

Electronic-box
1x Contacting PCB
1x LiPo-BatteryPack
Quick-Start-Guide
Manual
RoboHead-box
6 RoboHeads
7 Washers & 7 Hex Nuts
1 Wrench