Specification Frequency: 433MHZ Built-in Chip: EV-1527 Shock Resistance: 330k Materials: ABS+Iron+Alaminium Alloy Product Size: 5.5*3.05*1.38cm/2.17*1.2*0.543inch Battery Model: 27A 12V(Not Included) Package Included 2x Remote Controls 1x English Instructions.
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