IR Mini Satellite 1.as a factory ,high quality at lowest price 2.prompt delivery IR Satellite1) Indoor play;2) Durable Body Withstand Crash;3) Satellite body approx: 12.4 mm;4) Li-polymer re-chargeable battery 3.7V x 1 for satellite (included);5) Transmitter / Charger : AA X6 ( not included);6) 20 mins charge, 5 mins play time7) 3 channels