Features: 100% Brand new and high quality! Plug and play easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market. With use of M4 standard fixed holes compatible with M4-standard kits. Specifications: PCB Size: 38.0mm x 24.0mm x 1.6mm Working voltage: 3.3 or 5V DC Operating voltage: 3.3 or 5V DC Compatible interfaces: 2.54 3-pin interface and 4-pin Grove interface Color: Blue Electrical characteristics Supply voltage: Min.2 Typical 3 Max. 5.5 Unit VDC Working current(VCC=5V): Typical 18 Unit uA Digital output voltage(VCC=5V): Min. 0 Max. 5 Unit V Package includes: 1pc 3P/4P Electronic Brick Double Side Touch Pad Button Switch Sensor Module