The unique design and exquisite craftsmanship ensure its popularity and practicality. Using safe and reliable materials, which are stable. Compact and light in weight design for easy to carry, sufficient quantity can meet your quantity demands. Lightweight and compact design, right size to carry, easy to use and easy to operate. Note: Self-locking style: press once to turn on the power, then press again to turn off the power. Ideal for diy projects, during the DIY process, you can relax yourself and increase your hands-on ability. The push button is able to replace old and broken, which can serve you well. Compact and portable for on-the-go convenience, versatile for use with a variety of electrical devices. Color: as shown in the picture. Material: ABS, copper. Size: 2.60X2.40X1.30cm/1.02X0.94X0.51in. Package includes: 3 × push button.