BarTech Focus Device (BFD) Handset and the fSTOP Wireless V2-1 BarTech Receiver.
Including Heden M21VE-L lightweight and small servo motor.
Features:

 
900 MHz Data Reception, 8 Selectable Sub-Channels
 
Automatic Lens End-Stop Calibration
 
Adjustable Torque
 
Compatible with most Digital Motors ( Heden, Preston, M-One, Scorpio )
 
Camera Run/Stop output
 
Smallest Receiver on the Market ( 3.5" L x 2.1" W x 0.8" H 4.8 oz )
 
10 to 30v Input Voltage Range

 
HEDÉN M21VE-L is a high resolution servo motor for professional film and Video/HD cameras.
 
Very quiet
 
Lightweight and small size
 
Comes with 0.8 / 0.5 pitch gear
SPECIFICATIONS for the M21VE-L:Weight 168 grams (5.92 oz)
Length 105mm
Width 21mm
Torque (Max) 1.15Nm
Connector: Lemo Size 1 7-pin