Feature: White noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on! ...
Features: This is a DIY planetary exploration vehicle. Students can assemble and learn by themselves, which can help children learn the mechanical transmission structure of vehicle models. Learn how to...
Features: 1. 5V power supply (powered by mobile phone chargers, computer UB ports, etc.), or directly powered by 4.2V lithium batteries, which can be directly charged. 2. Dual 3-watt stereo...
Features: The wall clock is 3D effect; Easy to install and remove the sticker; The decals can be applied on all smooth surfaces,such as Walls, Doors, Windows, Closets, Plastic, Metal,...
Description: With white PCB board, called: Mini-Clock. The front is a digital control, PCB board and digital control the same size. A unique digital production, digital tube down each 5...
Description: This led matrix clock using two black translucent acrylic to fixed up, include the pcb, screw, screw nuts and spacing column are all black. it looks mystery when it...