Smart Lock black outline icon
Padlock with keyhole and three wireless signal waves, framed inside a circle
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About the Smart Lock black outline icon
A closed padlock with a rounded shackle and a keyhole sits inside a thin circular frame, with three curved signal waves rising from its upper right corner. It combines physical locking with wireless control, fitting smart home apps, door access dashboards, IoT product pages, hotel or rental check-in flows, and security service websites.
The circular border gives it a badge look that matches avatar slots and feature bullets, while the waves echo standard wifi styling. Pair it with door, key and home hub icons, and keep the size at 32px or above so the waves stay distinct.
This is the black outline version of the smart lock icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
