The difference of udi023 vs udi023 pro udi023 brushed power system udi023 pro brushless power systemdescription basic informationbrand udircitem no udi023 udi023 procolor grey green and black yellow colormax speed 14km h brushed version 20km h brushless version power systemudi023 versionesc two in one received esc boxmotor src 390sm 5022 66d brushed water cooled motorservo 9g 3 wires high speed digital servoudi023 pro versionesc 80a independent brushless escmotor hs2812 3500kv brushless water cooled motorservo 9g 3 wires high speed digital servotransmitterfrequency 2 4gchannel 4chremote distance 80 100mrequired battery 4x aaa battery not included batterybattery for the boat 7 4v 2000mah xt30 plug li ion battery included battery charging time about 230 minutesbattery playing time approx 9 10 7 8minutes brushed brushless version othermaterial pa metal electronic partsiron trannsmissiondead rise angle 32 degreesboat weight about 653 659gdimensionboat size 335 127 111mmpropeller size 19mmremote controller size 130 63 180mm function the 362mm long shallow v shaped hull design features a high strength abs simulated hull strong jet pump power and superior underwater performance able to navigate freely in shallow and rock areas without fear of collision and entanglement of various underwater obstacles spray pump structure controllable navigation lights anti collision rubber strip simulation design one click acceleration one click return to normal after capsizing water cooli
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