Milk volume visual window,Soft night light is not afraid of the dark Efficient Heating System: Keep your baby's milk at the perfect temperature with our advanced thermal conductivity technology. This portable bottle warmer ensures even heating and maintains the milk at a constant temperature, making feeding time convenient and fuss-free Wireless and Portable: Designed for on-the-go parents, this milk warmer is equipped with a high-capacity rechargeable battery, making it easy to warm milk anytime, anywhere without the need for electrical outlets User-Friendly Design: The intuitive interface and simple operation allow for hassle-free use. Its compact design fits easily in diaper bags, purses, or car compartments, ensuring warm milk is always within reach Product Name:Wireless Charging Milk Warmer Product power:18W input voltage:5V-2A/9V-2A battery capacity:4000mAh x 2QQ Color: As Shown Material: ABS Package Contents: 1 x Milk Warmer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.