Key features: Market leading tail hold and pirouette consistency Small and lightweight Designed for all helicopters; from the smallest electric to the largest nitro Supports all types of digital servos (760us, 960us and 1520us) Offers 250Hz, 333Hz and ultra-high 560Hz servo frame rates Superior MEMS sensor technology Optional advanced configuration via computer or PDA Firmware upgradable 12bit A/Digital Converter Dual operating modes; AVCS (heading lock) and Rate Available in economical plastic or tough alloy case option for crash damage protection and electromagnetic shielding Box contents: Spartan Quark gyro Gyro Installation Guide Adhesive foam pads (3x) Strong adhesive tape (2x) Vibration damping plate Specifications: Dimensions: 20.6 x 20.6 x 9.6mm (0.81 x 0.81 x 0.36 inch) Weight: Plastic case 8.2 grams, Alloy case 10.2 grams (inc. cables) Sensor Type: MEMS Control system: Proprietary PID with adaptive tuning Supported servos: 760us, 960us and 1520us centre pulse Standard setup: Servo type, reversing and dual endpoint adjustment Operating voltage: 3.8V to 8.4V Current draw: <75mA