Name: Thermal lunch box Material: PP shell + 304 stainless steel Charging time: 8-10 hours Holding time: 5 hours Battery continuous heating time: 100 minutes Battery capacity: 4000mAh*4P Voltage power: 7.4V / 45W Description EFFICIENT HEATING: Our electric lunch box is equipped with a powerful 60W heater that ensures quick heating within 20 minutes. For office use or dining out, enjoy the convenience of a hot meal anytime, anywhere. SAFETY: This heated lunch box is lined with food grade 304 stainless steel for durability. The enhanced heating system ensures consistent performance while preserving the flavor of your meal. LARGE CAPACITY: The lunch warmer has a 1-liter capacity to hold your favorite hearty dishes. The leak-proof lunch box lid ensures it stays secure during transportation, making it ideal for outdoor events or work lunches. EASY TO CARRY: This food warming lunch box is compatible with air conditioners and car plugs and has a built-in 16,000mAh rechargeable battery for long battery life. Easy to use and carry, you can heat food anywhere. INDICATOR LIGHT DESIGN: The cordless heated lunch box comes with an advanced control panel that is easy to use. A green indicator light means it is fully charged, a red indicator light means it is charging, and a dedicated heating indicator light ensures your food is heating. It has 4 settings from 20 minutes to 80 minutes. Product List Insulated lunch box*1