... replaced based on actual requirement;Solar power supply, the system use solar power for power supply, 24h continuous working supported; ... linear of each signal, protective measure is adopted for power supply, communication and input parts so to enhance ... output <2.5Vp-p, RL = 32 ohms power output of 30mW;When the RL = 16 ohms, the ... outputsAlarm relay30VDC 1A ,125V 0.5A solar power environment monitor