Emax's ES3054 is a slightly larger servo than their popular ES08 and ES09 models. The '3054 at 17g is in-between the common ~10g Micro and ~25-30g Mini servo sizes, so it can be considered either Micro or Mini.
Specifications:
Brand Name: EMAX
Item Name: ES3054
Operating Voltage: 4.8V - 6.0V
STD Direction: Counter Clockwise / Pulse Traveling 1500 to 1900 µ sec
Stall Torque: 4.8V, 3kg.cm Max
Operating Speed: 4.8V, 0.15 sec/60° at no load
Stall Torque: 6.0V, 3.5kg.cm Max
Operating Speed: 6.0V, 0.13 sec/60° at no load
Size: 28.45mm x 13.00mm x 31.10mm
Weight: 17g
Plug Available: FUT; JR
Spline tooth count: 23T
Maximum Travel: 145°±10° (700-2300µ sec)
Other attributes: Bearing; Metal; Digital
Package Includes:
1x EMAX ES3054 17g Servo
1x Accessory bag