★ This is a smart lock for bicycles (mama-chari) from CANDY HOUSE. ★ Experience the freedom of "not carrying keys" with the next generation of bicycle life ★ 〜 Bicycle Smart Lock 〜 ◆ SESAME Cycle 2 / Mama-chari 2 (Black) Contents: ・Main unit ・High-performance battery CR123A (1) ・Mounting brackets (φ13, φ16, φ19, 2 each) ・Transparent battery cover & black cover ・Keys x 2 ※ Used for less than 3 months, with minor scratches from installation. No box, no instruction manual. ◆ Product Specifications ・Manufacturer: CANDY HOUSE ・Type: SesameOS 3 cylinder ring lock, rear wheel lock / REAR TYPE ・Size: 46 x 52 x 101 mm ・Communication method: Bluetooth ・Power supply: Battery CR123A ・Key method: Unlocking with a physical key and unlocking via app (This product only supports unlocking, locking is done manually.) ・Waterproof: Waterproof specification (IPX4)