🎁 Free Proximity Dot with any smart lock. Add a Proximity Dot to your order and it’s free at checkout. 🔔 Currently being restocked. Place your order now to reserve from the next shipment. We'll email you the ETA and ship as soon as stock lands. Questions? Email [email protected]. The KS280 is our full-feature smart lever lock - keypad, RFID card, Bluetooth app, proximity unlock, mechanical key, anti-lock button, and an extra-large 280 mm panel that makes a statement on a main entry door. Managed through the TTLock app, the KS280 gives you everything: passcode sharing, temporary access for guests or trades, full access logs, and an anti-lock button on the inside for child safety. The aluminium body comes in matte black or brushed silver. Built for NZ conditions. IP65 dust- and water-resistant for full exterior exposure - survives anything the NZ weather throws at it. Backed by a 2-year manufacturer warranty.* Key features TTLock app (iOS & Android) passcode sharing, eKeys, access logs, remote management Temporary passcode generator perfect for Airbnb, trades, deliveries Anti-lock button (inside) for child safety Hidden mechanical key cylinder for emergency override USB emergency power port IP65 dust- and water-resistant, built for NZ conditions Powered by 4 × AA batteries (8,000–10,000 unlocks / 8–12 months) Bluetooth 4.0; Wi-Fi gateway compatible 2-year manufacturer warranty* Specifications Unlocking methods: Bluetooth App, RFID Card, Proximity Dot, PIN code, Key App: TTLock (iOS + Android) Material: Aluminium Alloy Colour: Black or Silver Panel size: 280mm (L) x 65mm (W) Backset options: 0mm, 60mm, 70mm Communication: Bluetooth 4.0 or above Supported systems: Android 4.4+, iOS 7.0+ Operating temperature: -10°C to +50°C Operating humidity: 10% to 95% Power: DC6V, 4x AA alkaline batteries (Duracell Industrial recommended) Battery life: 8,000-10,000 unlock operations (8-12 months) IP rating: IP65 Wi-Fi gateway: Compatible (sold separately for remote access) Five ways to unlock: Bluetooth app, RFID card, proximity dot, PIN code or physical key Finish: Matte black or brushed silver Installation The KS280 fits any standard NZ entry door with a 60 mm or 70 mm backset mortice. Select the "Handle Only" option if you already have a compatible mortice case, or choose your backset and we'll ship a matched KSE85 mortice with the lock. Confirm your door's backset (distance from door edge to centre of existing latch) Choose Handle Only, 60 mm or 70 mm at checkout Existing mortice pocket may need minor adjustment - fits most timber and aluminium doors Pair with the TTLock app in under 5 minutes after install Not sure of your backset? It’s the distance from the edge of the door to the centre of the lock cylinder. Measure yours before choosing, or contact us and we’ll help you spec it. *Warranty applies to the lock mechanism and electronics. Batteries excluded.