This multifunctional electric switch cabinet access tool is designed for maintenance and control of elevator systems and related infrastructure. It includes a triangular key and a screwdriver for secure, authorized access to equipment such as elevators, subways, water taps, water meters, and valve locks. Key benefits - Consolidates tools into one device, saving time during inspections and repairs. - Improves security with a dedicated triangular key and controlled access to critical equipment. - Reduces downtime by enabling fast, authorized servicing of key components. - Built for daily use in service environments with durable construction. Key features - Function and compatibility: supports access and operation for elevators, subways, water taps, water meters, and valve locks. - Included tools: triangular key and screwdriver for on site adjustments. - Practical design: compact and reliable for field maintenance. Use scenarios - Elevator maintenance in high rise buildings requiring quick access to control panels. - Subway system checks where authorized access to trackside equipment is needed. - Water utility work such as meter readings, tap servicing, and valve lockouts.