Carton size:74.5*50.7*51.7cm QTY:4PCS/CTN N.W/G.W:20/21KG Boat: Overall size: 675mm*200mm*210mm Weight: 4.25 Kgs (including storage battery and kentledge) 1.2 Kgs (excluding storage battery and kentledge) Power supply: 1.2v/4.3 Ah sealed storage battery being able to continuously work over 2 hours after charging. Speed: 1 meter/second Controlling distance: 300-500 meters on water Electromagnet: working voltage 12V working current 1.6Ah connecting time: 1 second Driven groupware: twin 540 motors, gear chains transmission, built-in screw propeller Main actions: sailing forward, turning left or right, hooking, baiting and direction range lights Bait hold load: 500g Water depth detecting:30m Water temperature detecting:0-40℃ Power of fish-attracting lamp :3w Transmitter: Dimension:130*85*30mm Working frequency:315MH.433MH Working voltage:6v (4 cells of AAA battery) Controlling distance: 300m on water Function:water depth displaying, fish depth displaying, water temperature displaying, address code(100 different ones), battery voltage displaying(warning when in low voltage), sensitivity adjusting, boat state displaying.