... best status. Opitional functions:Temperature compensation function.RS communication function: RS232/RS485/RJ45/GPRS are optional communication ports. Specification: ModelLYD10-24LYD10-48Rated ... ,–35°C--+80°C , Precision: ±1°CCommunication Mode(optional)RS232,RS485,RJ45,GPRS. EtcProtection FunctionSolar reverse charge protection , Solar reverse connection protection ...