Portable, ergonomic, applicable to numerous devices. Actual pseudo-random number generator T8S is made possible by FHSS communication technology, which also allows for long-range control distances up to 1.3 miles (2000 meters) in the air. Simple setup requires only either a USB cable or an iOS/Android app to connect wirelessly. The non-slip material on the handle creates a solid grip while bringing it closer to ergonomics and fitting your hands more pleasantly. Technical Features: 1. 8 Channels 2. Dual Rate and Low Voltage Alarm 3. Low latency 4. Signal Alarm(RSSI), Fail-safe PROS Reliable option Included r8ef Receiver CONS The range is not as large as in some other options