Airtronics RX60 (92664) 6-Channel 2.4GHz FHSS-1 Park Flyer ReceiverThe RX60 (92664) 6-Channel 2.4GHz FHSS-1 Park Flyer Receiver is a small, lightweight, short-range receiver that is compatible with Airtronics RDS and SD series transmitters. Also compatible with the Stylus 2.4GHz FHSS-1 Module. This receiver is specifically designed for lightweight foamies and small 180 to 250 size helicopters. It's perfect for indoor flyers and small park flyers!In standard Airtronics fashion, this receiver features a push-button binding procedure, a single antenna for  lighter weight and easy installation, and it's all packed in a small, lightweight setup.*This is a short-range receiver. It should not be used in larger R/C models that require longer range.*All Airtronics 2.4GHz FHSS-1 aircraft receivers now have a Nominal Input Voltage rating of 4.8v ~ 6.6v Features and Specifications:? One-Touch Binding? Single Receiver Antenna? Frequency/Modulation Type: 2.4GHz/FHSS-1? Nominal Input Voltage: 4.8v ~ 6.6v? Weight: .21oz (6.0gr) with Case? Weight: .16oz (4.0gr) without Case? Dimensions: 1.58 x 0.72 x 0.43in (40.5 x 18.5 x 11mm)? Fail Safe Support: Yes (CH 1 ~ CH 4)*This receiver has a Nominal Input Voltage rating of 4.8v ~ 6.6v, therefore, it can be powered using a 4 Cell or 5 Cell Ni-Cd or Ni-MH battery pack or a 2S Li-Fe/A123 battery pack. DO NOT USE A 2S Li-Po BATTERY PACK!