The Control Switch Lock Box offers a high level of efficiency and safety. The design of the manual control button switch is simple and user-friendly, allowing users to easily control the opening and closing of the fireproof roller shutter door at any time, making it a convenient and practical solution. Features -Note: Random Style of the Accessory -Color:Multi -Material:Stainless steel,plastic -Size:15.00X9.00X5.00cm/5.89X3.54X1.97in -Working voltage: 220V -Working current: <4A -Control distance: 6m -Power:3W - the smooth operation with a convenient manual control button switch for easy opening and closing. -Provides comprehensive control for fireproof roller shutter doors with a motor and fireproof lock box -Constructed with durable and stable materials for performance -Offers a versatile solution for fireproof roller shutter doors in various locations -Sturdy construction, non-deformation, with impact resistance for reliability Package list: 1 x button box