Geek Smart Knob - Fingerprint Access & App Control

Selling a Geek Smart Knob with fingerprint access and app control. It's in great condition and comes with the original box. Specifications: - Model No: K11-B - Exterior: 2.95"x2.95"x2.66" - Interior: 2.95"x2.95"x2.94" - Weight: 1.82lbs - Maximum access fingerprints: 50 - Battery: Lithium battery - Working temperature: -4°F - 131°F - Battery charging temperature: 41°F - 121°F Works with Amazon Alexa and Google Assistant (requires separate gateway purchase)