Specification Model: Input 100-240Vac 50/60Hz, Output 18Vdc 1A,Alternating black and white wires indicate the positive terminal (+), while the pure white wire indicates the negative terminal (-), This power supply is widely used in electronic products requiring constant voltage at 24V, 1000mA, 900mA, 800mA, 700mA, 600mA, 500mA, and 200mA Compatibility: WYZE, eufy, Blink, Arlo, ring transformer for video doorbell wired and thermostats (google nest,Ecobee, Honeywell, Emerson Sensi), as well as other devices that require a constant DC 24V power supply Long cable: The cable is 33 ft/10 m long and extends from the socket to the electronic device, providing a continuous and uninterrupted power supply. The cable can be cut to length and secured with screws, and installation can be completed in a few minutes Safety: The 24V power adapter features overheat protection, overcurrent protection, overload protection, and overvoltage protection, ensuring safe and reliable use After sales service:We have 20 years of professional experience in producing power supplies and are committed to promoting the SHMDSO brand. If you encounter any problems during use, please contact us 24V1A power adapter Input: AC 100-240V 50/60HZ Output: DC 24V 1A Suitable for electronic products such as video doorbells, C-line thermostats, LED lights, routers, diffusers, cameras, etc