This is the Electric Powered, 2.4GHz Radio Controlled, Ready to Fly 1SQ Quadcopter from Heli-Max. For Beginning Helicopter Flyers. FEATURES: Four independently controlled rotor blades make the 1SQ easy to fly indoors or outdoors in light winds TAGS-Triple Axis Gyro Stabilization stabilizes all three axis for total control under all conditions Heli-Max TX410 4-channel 2.4GHz radio with beginner and expert modes, servo reversing, charger port, and SLT receiver 1S 250mAh LiPo battery USB compatible battery charger Molded plastic and composite materials for high durability Heli-Max guarantees this kit to be free from defects in both material and workmanship at the date of purchase. This warranty does not cover any component parts damaged by use or modification. INCLUDES: RTF 1SQ Quadcopter with 2.4GHz Radio, LiPo Battery, USB Charger, extra set of Blades, Screwdriver, four AA Batteries, and Instructions REQUIRES: Device such as a personal computer with a USB port to power charger SPECS: Length: 5.7" (145mm) Width: 5.7" (145mm) Height: 1.37" (35mm) Weight with Battery: 1.1oz (31.2g) Blade Length: 2.16" (55mm) COMMENTS: Also available in a Tx-R (Transmitter Ready Version) HMXE0835. jxs 09/17/12 ir/jxs