About Ukoke head quartered in California, USA, Ukoke technology supplies quality convenient products to our customers, which help families to finish their daily tasks in more efficient ways. Simple, Customer Focused, & technological are the three key concepts of Ukoke. Ukoke’s purpose is to serve its customers, adapt the convenience of the Internet to solve problems for its customers in order to make their lives easier & simpler. Ukoke U03LB cordless electric power leaf blower★ blow air speed: 40-130mph★ no load speed: 7000-13000rpm ★ battery: 2 0 Ah 20V battery>★ running time: 40mins★ weight: 2 lbs. Box contents include>★ 1 * Ukoke U03LB cordless electric power leaf blower>★ 1 * 20V 2 0A lithium-ion battery>★ 1 * charger station, support both 120V & 240V.