CROSSRC Scale Backpack Speaker Unit for 1/10 RC Crawlers (97401142) Hydraulic Excavator Model Functional Simulation: Driven by an

Functional Simulation: Driven by an electric motor to showcase real jet engine mechanics

Punch in a 3S LiPo battery

Drivetrain: Full-Time 4WD

Motor & Drive System: 540 Brushed Motor / Flex shaft drive / 35mm Propeller

CROSSRC Scale Backpack Speaker Unit for 1/10 RC Crawlers (97401142) Hydraulic Excavator Model Functional Simulation: Driven by anCROSSRC Scale Backpack Speaker Unit for 1 10 RC Crawlers (97401142) Specifications Voltage Input: DC 5V 9V Max Power: 5W (Max Current: 1A) Internal Storage: 4MB Audio Format: MP3 Dimensions: 101mm 55mm 31mm Weight: 81g Signal Cable Length: 420mm Operating Requirements Requires a free receiver channel controlled by a 3 position switch on your transmitter. Important: Always disconnect receiver power BEFORE connecting the SK3 unit to a PC for audio file