Spherical lens is a common and important optical element, which is widely used in science, medicine, communication and other fields. Among them, high-end applications include: infrared spherical lens is used for thermal imaging to improve energy conversio
This bottle is 500ml,with a cute shape and a handle. The bottle is small and easy to carry when you go out, and you can add water at any time.This bottle has many colors, it is suitable for all boys and girls.It is also the best gift for them.
The comfortable natural wind brought by the large factory fan fan.Under the fan, omni-directional three-dimensional air supply, covering the whole body, forming a natural breeze system.
1. Various working modes available (public mode, private mode etc), suit for different application.2. Low voltage alarm: if voltage is lower than 4.5V, lock will prompt with sound and light on every opening. And it can’t be locked when voltage is lower th
Product Feature: 1.PVC Non-slip Insulation Placemat by the high quality PVC as main material, heat-resisting wear-resisting non-slip, antibacterial flame retardant. 2.It has long and square design, on the desktop mat cup, tableware ,concise and easy, plai