ECU Master Can-bus Lambda The Ecumaster Lambda for CAN controller is a compact unit that controls a Bosch LSU 4.9 wideband oxygen sensor and transmits lambda readings via CAN-BUS. It has two programmable 0-5V analog signal wires and uses a high-quality digital control unit for accurate handling and calculation of Lambda and AFR. Multiple units can be installed on the same CAN-BUS for increased flexibility. Support for Bosch LSU 4.9 Operating voltage range: 9 - 16V Power consumption: up to 3A (during heating) IP65 enclosure 2 programmable analog outputs 0-5V Communication and configuration: CAN 2.0A/B lambda_to_can_manual