Low-cost sauna cabinet lock 1. Safe and convenient 2. More stable 3. Save electricity Goods details:Convenient for consumptionConvenient for managementSafe and firmVogue and elegant design on appearanceHidden handle, good-looking and convenientCan be set to single or dual-card modeA lot of colors for your choiceAlarm for abnormally opening the lockLow-voltage alarmExternal battery boxNotice to ...