This is the Deluxe Servo Tester from EMS.

FEATURES: Quartz crystal oscillator for extremely precise servo positioning
          1 second resolution for total of 1000 positioning steps full scale
          Displays pulse width measurement with 0.01ms precision
          Internal voltage regulator
          Auto-center mode
          Auto-sweep mode
          Exercising mode
          Simple to use interface

INCLUDES: EMS Deluxe Servo Tester with Instruction Sheet

REQUIRES: Connecting to servo and battery

SPECS:    Input V: 4.5VDC to 6.0 VDC
          Power Consumption: 38.6A
          Pulse Width Endpoints: 1.000ms-2.000ms
          Dimensions: 3.78" (96.0mm)L x2.38" (60.5mm)W x 1.53" (38.9mm) H
          Weight: 2.7oz. (76.5g)
          Battery Connector: J connector

                                                                   JMLM 2/28/11
                                                                         ir/jxs