3 levels of brightness can be adjusted 2 choices: 1pcs and 2pcs 3 levels of brightness can be adjusted Working hours:High light 4-5h Medium light 6-7h Low light 10-11h Charging time:4-5h Product size:132 93 40mm High-quality lithium battery, long life, safe and stable High quality ABS+TPR body Super bright lamp beads, high brightness and long range Magnet + hidden hook, apply to a variety of working environments Suitable for camping, emergency, work, night vision lighting, etc. Obasyhig 2 PCS Outdoor Working Portable Multifunctional Camping Lights in Yellow