This is the radio controlled, electric powered, ready to dive Neptune Static-Diving Submarine from Thunder Tiger. FEATURES: High impact ABS plastic hull, yellow in color 12V motor propulsion power unit Thunder Tiger Ace RC 6-channel FM radio transmitter with all-in-one control PC board and 8-cell 9.6V 1100mAh NiMH transmitter battery with white two-pin connector Dual static and dynamic diving system Ballast tank with roll pump and motor drive system Full elevator and rudder controls Auto-detect electronic protection system-if low battery power, weak radio signals or leakage is detected roll pump starts automatically causing sub to surface Video-transport cable connector included (camera not included) see COMMENTS 12V sealed Lead-Acid battery with 12V wall charger INCLUDES: Neptune Static-Diving Submarine with motor, battery, propeller, 6-channel FM transmitter 12V battery with wall charger, 9.6V TX battery with wall charger and instruction manual REQUIRES: Tools and thread locking glue Needle nose pliers, phillips screwdriver SPECS: Displacement:7.7kg surface, 7.95kg submerged Overall Length: 30.5" (774mm) Beam (width): 11.4" (290mm) Draft: 7.9" (200mm) Height: 11.2" (285mm) Propulsion Motor: 12V Propeller: Three blade, outer diameter 40mm, pitch/41mm Speed: 1.45 knots/ 2.7km/h surface 1.08 knots/ 2km/h submerged Operating Diving Depth: 16.4" (5m) Max. Diving Depth: 33" (10m) mechanical limit COMMENTS: To add a camera setup, order the following tems; ACEM1746 AC1746 AV Receiver Bracket T2D ACEZ1285 AQ1285 CCD Camera Set ACEZ0321 AQ1701 2.5" LCD Video Receiver ACEZ0320 AT0320 Video Cable jxs 9/14/07 ir/jxs