This is the Ace TG7000 Heading Lock Gyro for Model Helicopters.

FEATURES: Heading lock mode and normal mode
          SMM gyro sensor
          Remote-controlled gain
          Analog/digital servo compatible
          Suitable for 760/1520us digital servo
          Separate end point adjustment for left and right servo travel limit
          Compact size

INCLUDES: One TG7000 heading lock gyro
_         One metal plate
          Three pieces of double sided mounting tape
          One plastic screwdriver
          Instructions

REQUIRES: Installation following the included instructions

SPECS:    Length:  1.01" (25.9mm)
          Width:   0.98" (24.9mm)
          Height:  0.80" (20.4mm)
          Voltage: 4.8-6.0V
          Operating Temperature: -10 - 45 °C
          Weight: 0.83oz (23.5g)

                                                                     ajw 3-7-11
                                                                         ir/jxs