... affected by the ray. 2.inlaid panel,220v/ac power supply, Model:TPM-900Digital temperature panel meterspecification:1.installing size ... 20%-85%(no condensate)3.main function parameters:power supply:220v/AC+-10%power consumption:<3wtempreature measuring and displaying range:-40--+ ... affected by the ray.2.inlaid panel,220v/ac power supply,easy to install.3.wide temp,measuring range and ...