Product model:T-8196A Charging interface:No Channel mode: 3 channels Antenna type: built-in single antenna Model type: remote control car, remote control boat. Low voltage warning: Less than 2.4 volts. The blue light blinks slowly. Radio frequency: 2.4 GHz Radio frequency power:Less than 20dbm Size:160x100x200mm Weight:235g Considerate:1024 GB Distance: 150m (ground) Data interface: No Online update: No. Power Supply:4 x AAAA batteries(Not included batteries) 2.4G spread spectrum signal is stable: multi-person simultaneous operation in the same place does not interfere with jamming, and the ground remote control distance is stable at 150 meters. Colour:Black Material:plastic Package Contents: 1 * remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.