Specifications:

[10 sections, 2 Electricity, 1 chain and 1 charge] 16-inch double drive aluminum alloy reinforcement

[10 sections, 2 electric, 2 chains, 2 charging] 16-inch double drive aluminum alloy reinforcement

[10 sections, 4 electricity, 2 chains, 2 charging] 16-inch double drive aluminum alloy reinforcement

[10 sections, 4 electric, 2 chains, 4 charging] 16-inch double drive aluminum alloy reinforcement

[15 sections, 2 Electricity, 1 chain, 1 charge] 16-inch double drive aluminum alloy reinforcement

[15 sections, 2 electric, 2 chains, 2 charging] 16-inch double drive aluminum alloy reinforcement

[15 sections, 4 electricity, 2 chains, 2 charging] 16-inch double drive aluminum alloy reinforcement

[15 sections, 4 electric, 2 chains, 4 charging] 16-inch double drive aluminum alloy reinforcement

[20 sections 2 electricity 1 chain 1 charge] 16-inch double drive aluminum alloy reinforcement

[20-Section 2-Electric 2-Chain 2-charge] 16-inch double-drive aluminum alloy reinforcement

[20-Section 4-Electric 2-Chain 2-charge] 16-inch double-drive aluminum alloy reinforcement

[20-Section 4-Electric 2-chain 4-charge] 16-inch double-drive aluminum alloy reinforcement

[Recommended carefully] bare metal with guide plate chain without battery