High-Quality Double-Head Innovative Rotating Solar Panel Cleaning Brush with Lightweight 3.5 Meter Flexible Pole AC110-240V Power Supply Model No. WLS-A3.5 WLS-A5.5 WLS-A7.5 Rod Length 1.5m-3.5m (3) 1.8-5.5m (4) 2.1m-7.5m (4) Hydroelectric tube 5m 7m 9m Rod Aluminium Alloy Telescopic Rod thickness:1mm max. rod diameter: 40mm Solar Panel Disc Brush Φ32cm; Horizontal cleaning surface width: 65cm; imported new nylon yarn Driving Motor Kit 2sets*DC24V 150W; 350R/M; Damping Rotary Jump Kit T-type Power Converter AC100-240V, DC 24V Extension wire 10M Parts box User Manual/Qualified Certificates/Water Flow Controlling Vavel Water Supply System Optional Lithium Battery Power Supply Model No. WLS-B3.5 WLS-B5.5 WLS-B7.5 Rod Length 1.5m-3.5m (3) 1.8-5.5m (4) 2.1m-7.5m (4) Hydroelectric tube 5m 7m 9m Rod Aluminium Alloy Telescopic Rod, thickness:1mm, max. rod diameter: 40mm Solar Panel Disc Brush Φ32cm; Horizontal cleaning surface width: 65cm; imported new nylon yarn Driving Motor Kit 2 sets*DC24V 150W; 350R/M; Damping Rotary Jump Kit T-type Spring wire electronically controlled Battery Lithium x 1 pc 24V, 26Ah Charger for Battery x 1 pc Backpack for Battery x 1 pc Parts box User Manual/Qualified Certificates/Water Flow Controlling Vavel Water Supply System Optional AC110-240V + Battery Power Supply Model No. WLS-D3.5 WLS-D5.5 WLS-D7.5 Rod Length 1.5m-3.5m (3) 1.8-5.5m (4) 2.1m-7.5m (4) Hydroelectric tube 5m 7m 9m Rod Aluminium Alloy Telescopic Rod, thickness:1mm, max. rod diameter: 40mm Solar Panel Disc Brush Φ32cm; Horizontal cleaning surface width: 65cm; imported new nylon yarn Driving Motor Kit 2sets*DC24V 150W; 350R/M; Damping Rotary Jump Kit T-type Power Converter AC100-240V, DC 24V Extension wire 10M Spring wire electronically controlled Battery Lithium x 1 pc 24V, 26Ah Charger for Battery x 1 pc Backpack for Battery x 1 pc Parts box User Manual/Qualified Certificates/Water Flow Controlling Vavel Water Supply System Optional Wuxi Wanlv Intelligent Technology Co., Ltd. specializes in photovoltaic cleaning equipment, located in Wuxi City, Jiangsu Province Economic Development Zone, Intelligent Manufacturing Industrial Park. We combine professional knowledge of mechanical design with solid experience in solar panel cleaning. Wanlv Intelligent is committed to providing consumers with sustainable, individualized solar panel cleaning solutions, backed by extensive service experience and a wide range of patent technology. We are constantly improving and enhancing our products and services to tackle the challenges we encounter. In order to fulfill our customers' various cleaning needs and to deliver individualized, flexible solutions, we continuously optimize our solar module cleaning robot system and cleaning technology. Meanwhile, we offer consumers a great after-sales protection system, and positive reaction after-sales assistance available 24 hours a day, to solve all the worries. With the growth of domestic demand and the large-scale construction of photovoltaic power plants around the world, Wanlv Intelligent is willing to work hand in hand with our crucial partners to become the rule changer of new energy cleaning solutions. To provide our business collaborators and associates with innovative, full-complement cleaning solutions and services, to work together for a sustainable and win-win future. Our Advantages 1. Fast response: will respond to customers' inquiries within 8 hours. 2. Technical support: We may create various schemes based on the needs of our customers and assist them in resolving technical issues. 3. Reasonable price: Neve