3 MAP sensor for misc tuning use. Compatible with all engine management and tuning devices requiring the use of a "3 bar or 4 bar MAP sensor". Nowadays a lot of cars are running over 30psi of boost - future proof yourself and buy the 4 bar if unsure!
Connector NOT included - one of these needed:
https://www.gb-ent.com/products/map-sensor-connector-for-3-or-4-bar-sensor