Leviton Decora Smart Outdoor Plug D215O

A good patio upgrade, an expensive basic timer

The Leviton D215O makes the most sense for outdoor lights you use throughout the year. Its built-in light sensor can switch them on as the yard gets dark, and an optional battery wall switch gives everyone an easy way to override them from inside the house. Those are useful improvements to daily life on a patio.

At $59.99 for one controlled outlet, it is a harder sell for Christmas lights that only need a nightly schedule. Cheaper outdoor plugs already handle that job. We would choose Leviton for the sensor, wall control or its unusually wide temperature rating, rather than pay the premium just to put another switch in a phone app.

The light sensor is the feature worth paying for

A sunset schedule follows the clock and calendar. D215O's sensor responds to the ambient light at the plug, so it can follow actual darkness at that spot. My Leviton lets you enable it, or use ordinary schedules and countdown timers instead. A countdown is particularly useful for switching off a fountain or decorations after the evening is over.

Placement can undermine that benefit. A plug hidden behind furniture or tucked into deep shade is a poor place to judge daylight. The sensor needs an unobstructed view of natural light, facing away from the lights it controls. If the only suitable socket is concealed, the sensor becomes less persuasive as a reason to spend more.

The other limitation is brightness. D215O only switches power on and off. It will make a dazzling string of patio bulbs automatic, but it will not make those bulbs pleasant over dinner. Buy a suitable dimming system if that is the problem you actually want to solve.

A wall switch makes it easier to live with

The optional DAWSC Anywhere Switch Companion pairs directly with D215O. It gives you a battery-powered wall control without routing the button press through Wi-Fi or an app. A switch just inside the patio door is a more approachable control for guests than asking them to find the right app or voice command.

Leviton's checked price for that companion is $26.99, taking the pair to $86.98 before the companion's separate wallplate, delivery and tax. Up to three companions can control the plug. Their nominal 50-foot range can shrink through exterior walls, so that useful indoor switch still needs to be within radio reach.

The plug itself has a physical on/off button. Leviton also stores schedules on the device so they continue during a temporary internet outage, and it retains the previous on/off state after a power interruption. These are sensible details for a device that should quietly get on with its job.

Built for the weather, with limits at the socket

The black enclosure has an IP65 rating and a specified operating range of -20°F to 122°F (-29°C to 50°C). That makes it a stronger candidate for a freezing winter display than a plug whose manual only permits above-freezing use. Matterhome has not tested its weather resistance or outdoor radio range.

Its short cords and rear mounting holes help position the body beside the receptacle. Outdoor use requires a GFCI-protected supply, with the controlled socket at least three inches above the ground. The rating does not make a connection sitting in water acceptable. This is a North American 120 V product, and remote control needs dependable 2.4 GHz Wi-Fi where it is mounted.

The 15 A headline is also not a rating for every load. LEDs, CFLs and electronic ballasts are limited to 5 A; incandescent or halogen lighting to 1,500 W; magnetic ballast or magnetic low-voltage loads to 12 A; and motors to 3/4 HP. Magnetic landscape-lighting transformers are a supported use, but electronic low-voltage transformers, high-power heaters and HID lamps are excluded. A fountain or landscape system has to fit the appropriate rating.

Choose it for convenience you will actually use

D215O ships with Matter for shared on/off control in Apple Home, Google Home, Alexa or SmartThings through a compatible controller. No Leviton hub is needed. My Leviton handles the sensor and Leviton scheduling settings, so the most distinctive features still give you a reason to keep the manufacturer's app.

For a sheltered, nonfreezing location, the Kasa EP40M is the better value for straightforward switching. Our September 9 US check found it at $29.99, with two separately controllable outlets in its app instead of Leviton's one. Its documented cold-weather limitation matters if those holiday lights will stay out in winter.

Leviton's $59.99 US offer was available on September 10, 2026, before delivery and tax. The premium is reasonable for lights that follow darkness and have a convenient wall override. If an existing outdoor timer already runs the display when you want, keep it: D215O is an upgrade in control, not in the light the bulbs produce.