Specifications:

12-inch [pure copper brushless] ten batteries/1 electric 1 chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch [pure copper brushless] ten batteries/2 electric 2 chains-[official recommendation] Limited Time subsidy 30 yuan

12-inch [pure copper brushless] ten batteries/2 Electricity 3 chains-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 15-section Long Endurance/1 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 15-section Long Endurance/2 electricity 2 chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 15-section Long Endurance/2 Electricity 3 chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 20-Section strong endurance/1 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 20-Section strong endurance/2 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

12-inch pure copper brushless 20-Section strong endurance/2 Electricity 3 chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 15-section Long Endurance/1 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 15-section Long Endurance/2 electricity 2 chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 15-section Long Endurance/2 Electricity 3 chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 20-Section strong endurance/1 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 20-Section strong endurance/2 electric 2-chain-[official recommendation] Limited Time subsidy 30 yuan

16-inch pure copper brushless 20-Section strong endurance/2 Electricity 3 chain-[official recommendation] Limited Time subsidy 30 yuan