3S Passive Smart Lock and Control System Unlock multiple locks with one key. Authorization on demand, information traceability.

Lock control management software system • Configure permissions • Create and review tasks • Record data • Analyze data Smart key dock • Key storage • Data transfer • Record information • Provide power to the lock • No power supply needed • Various forms © 2024 3S Confidential. All rights reserved. 2

Pain Points of Traditional Lock Management x Too many locks, too many keys x If the key is lost, whoever finds the key can open the lock © 2024 3S Confidential. All rights reserved. x No identity recognition. Whoever gets the key can use it. x Absence of unlocking and locking records makes it difficult to track the responsibility x Easy to copy. No unauthorized unlocking records x Forgetting to lock, oversight is difficult to oversee 3

Solution of the 3S Passive Smart Lock Upload to the system, recording the entire unlocking and locking process and the lock status © 2024 3S Confidential. All rights reserved. Issue unlocking authorization to the key through the key dock Return unlocking and locking information and the lock status Assign unlocking permissions based on task information Power supply, decryption, unlocking, locking Passive lock Record unlocking and locking information as well as the lock status Lock control management software

Customer Value Improve efficiency • • • Fewer keys, easier management Reduce paper work orders Remote authorization available, eliminating the need for key pickup and return trips. © 2024 3S Confidential. All rights reserved. Ensure security • Restricted personnel and time. Unauthorized access is not possible. Smart keys cannot be copied, no need to change the lock if the key is lost Data management • Work orders and inspection tasks are linked to lock/unlock actions, enabling closedloop management and traceable data. The progress and status of work orders, personnel, keys, and locks can all...

Solution Comparison Passive smart lock Active smart lock Comparison items Mechanical lock Remote authorization Data recording Identity recognition Multi-level authorization Power supply Communication signal Replacement Difficulty Needed Good High Moderate Difficult Easy © 2024 3S Confidential. All rights reserved.

Multiple identification modes available: ID, fingerprint, password Voice prompt + dual-mode interaction with lights Conform with Chinese national encryption standards SM2/SM3/SM4 (EK05) Explosion-proof rating ExibIICT4Gb, ingress protection rating IP65 Can store 60,000 unlock/lock records One charge provides up to three months of usage. © 2024 3S Confidential. All rights reserved. Unique encryption code, bidirectional encryption Ingress Protection Rating IP68, temperature range -40 to 70°C, humidity range 20% to 97% Compatible with up to 36 types of locks, customizable design Support various...

3S Quality Assurance Tensile Test High-Temperature Test Freeze Test Humidity Test Durability Test Vibration Test © 2024 3S Confidential. All rights reserved.

Adapting to Wind Power Scenarios Harsh Lock type The manufacturing process is superior to traditional mechanical locks, with water and dust resistance (IP68) and resistance to extreme temperatures (-40 degrees to 70 degrees Celsius). Same to traditional mechanical locks, there are no special installation requirements, no need for power supply, and no need for internet connection. The core lies in the lock core, which is uniformly compatible with padlocks, compact substation locks, cabinet locks, round locks, handle locks, and all other types of traditional locks. The lock control system offers...

Industry Application Cases Dominican Republic Power Station Distribution Box Nigerian Oil Tanker Transport Vehicle Egyptian Municipal Street Light Control Box United States Polk Hospital Emergency Box Malaysia United Malay Bank Intelligent Integrated ATM Datang Inner Mongolia Photovoltaic Power Station Zhengzhou Railway Bureau Huaneng Shandong Qingfeng Lake Wind Power Field Shanxi Datong Telecom IDC Data Center Hunan Rural Commercial Bank © 2024 3S Confidential. All rights reserved.

□t Working Status: Voice + three-color LED indicator Storage Capacity: 60,000 entries Battery Capacity: 600 mAh (1000 lock and unlock cycles) Communication Interface: Standard TYPE-C ESD Protection: 8 kV contact ESD/15 kV air ESD protection Operating Environment: Temperature (-20° C to 70° C) Humidity (20% to 97%) Ingress Protection Rating: IP65 • Working Status: Voice + three-color LED indicator • Storage Capacity: 60,000 entries • Battery Capacity: 600 mAh (1000 lock and unlock cycles) • Communication Interface: Standard TYPE-C • ESD Protection: 8 kV contact ESD/15 kV air ESD protection • Operating...

Passive Lock Lever Handle Lock Cabinet Lock Lock Body Material: SUS304 Stainless Steel Electronic Lock Core: Multiple layers of protection against overvoltage, overcurrent, and ESD (Electrostatic Discharge) Blacklist Capacity: 100 keys Switch Record: 60 entries Operating Environment: Temperature (-40° C to 70° C); Humidity (20% to 97%) Ingress Protection Rating: IP68 Lock Body Material: Zinc Alloy Lock Core Material: 304 Stainless Steel Lock Body Structure: Universal for left and right Electronic Lock Core: Capable of detecting lock and unlock status. Multiple layers of protection against overvoltage,...

Key Docks: 10-30 (customizable), main box with 10 docks, auxiliary box with 5 docks Operating System: Android 11 Communication Interface: Ethernet RJ45 Indicator Prompts: Automatic charging, in position, communication, authorization Check-Out and Return: Automatic authorized release for check-out, automatic locking upon return, automatic record upload. Lock Core Lifespan: 1 million cycles Operating Temperature: -25 to +55°C Operating Humidity: 10%-90% © 2024 3S Confidential. All rights reserved. Key Docks: 16-160 (customizable) Check-Out and Return Methods: IC card/fingerprint/face ID/password...