... battery power. It's a good ai of you when you are at home or traveling. Characteristic With battery, ... one charge can last for 1.5 hour running,you can use it anytime, anywhere. Easy to charged ... Smart switch to protect the machine,automaticly run/stop when the gun on/off. 30L foledable bucket,portable ... sucker on car roof,glass,wall,etc, let you feel the happiness of filed shower. Standard universal ...