Brand KEYES Model N/A Quantity 1 Color Red Material RF4 Features Works official Arduino products with fool-proofing interface and tailored wire. Specification With signal output indicator; Single-channel signal output; When it only tilts to one direction it can sense TTL output level. Switching value of the module output can directly connect to microcontroller IO port; With holes for convenient installation; Working voltage: 3~5V; Suitable for balancing test of vehicle body teaching experiments demonstration product development etc. Application Microcontroller development English Manual/Spec http://m5.img.dxcdn.com/CDDriver/CD/sku.225603.doc Other Works with official Arduino products; The interface is compatible with sensor expansion board; With LED indicator to detect position changing and inclination; The level signal of the module will be changed once shifting the mercury tilt switch. Packing List 1 x Inclination sensor 1 x Connecting cable (20cm)