SPM MAIN Relay Smart Stackable Power Meter Zigbee although some welding is required

although some welding is required for this purpose

software versions

Package 6pcs/Blister Card Pack

*The sensor can work for up to 3 months if the door/window is opened or closed three times a day

use conditions and environmental factors

SPM MAIN Relay Smart Stackable Power Meter Zigbee although some welding is requiredOverview Essential details Connect up to 32 SPM 4Relays Power metering Max. 20A Gang APP: IOS Android System, Works with Alexa & Google Inntak: 100 240V~ 50 60Hz 20A Gang 80A Total Max ttak: 100 240V~ 50 60Hz 20A Gang 80A Total Max SONOFF Smart Stackable Power Meter Product Description Product Overview: [Connect up to 32 SPM 4Relays]One SPM Main can be connected 32 SPM 4Relays. Each SPM 4Relay has 4 isolated channels to help you manage devices more