Security
★ Made in the USA
Sigma Alarm
Security that starts simple
$99 Coming soon
A compact, genuinely loud smart alarm that sets up in minutes — no hub, no monthly subscription. Arm it from your phone or a tap, and it watches the space with a siren you will actually hear.
- Room-filling siren you can’t sleep through
- No subscription and no separate hub required
- Battery backup rides out a power cut
- Local-first — arms and sounds even if the internet drops
No charge today — we’ll only email you when Sigma Alarm is ready to order.
Specifications
- Siren
- 105 dB at 1 m
- Connectivity
- Wi-Fi + Bluetooth LE
- Power
- USB-C + backup battery
- Setup
- Under 5 minutes, no hub
Specs are targets for the first production run and may change before launch.