Product features : Built-in powerful dust control system, cleaning more, sweeping the width can reach 1850mm. Use of advanced high performance maintenance - free battery, no leakage, do not produce harmful gases. Has the international advanced broaching technology for cleaning, dust box utilization theory value of up to 100. Reliable high - quality parts, reduce maintenance and repair costs. Solid tyres, airport dedicated, strong and durable. Electric control system of imported, overcurrent, undervoltage protection, heavier chassis, waste tank capacity even more. Color can be customized according to customer requirements.