Smart Power at Your Fingertips.

3KSmartbox is more than an extension cord — it’s your home’s smartest power manager.

3 Individually Controlled Outlets

Customize each socket independently to suit your devices.

Four Intelligent Modes

Normal Mode

Manual on/off with one-touch switches—simple and reliable.

Temperature Mode

Automatically powers on a fan, heater, or humidifier when your room’s temperature crosses your set threshold.

Light Mode

Ideal for lamps and grow lights: outlets trigger based on ambient light levels.

Timer Mode

Set daily or weekly schedules to automate your appliances down to the minute.

Built-In Screen

Check outlet status at a glance, switch modes, adjust thresholds, or edit your timers—all without a smartphone.

Full Web Connectivity

Link 3K Smartbox to your home network and control everything from any browser.