Features: * Large cleaning area: This sweeping robot can clean a large area of ​​100-150 square meters. * Anti-collision system: universal wheel design at the bottom, automatically steering when encountering obstacles during cleaning operation. * Multiple cleaning modes: automatic cleaning, stain cleaning, edge cleaning and maximum cleaning mode make cleaning very easy. * Easy to cross furniture, bed bottom, clean and more comfortable. * Applicable floor: marble, ceramic tile, wood floor and other flat floors.\ Specification: Name: Sweeping Robot Working voltage: 3.7V Rated power: 5-7W Dust box: about 200ML Body lithium battery: 3.7V 2400MAH Working time: about 70 minutes Charging time: about 4 hours Cleaning area: 150㎡ Applicable floor: flat floor such as marble, ceramic tile, wood floor, etc. Functions: One-button start, sweeping, mopping, vacuum cleaner, USB charging, universal driving, low noise, intimate and undisturbed, low repetition, high coverage Size: 278 * 68mm Color: black,white Packing included: 1 * Sweeping Robot Note: 1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.