eSSL Security

eSSL FL900 Smart Door Lock with App

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eSSL FL900 Smart Door Lock with App

The eSSL FL900 is an app-enabled smart fingerprint door lock designed for residential and commercial access control. It supports Bluetooth-based mobile operation along with fingerprint, password, and RFID card access for secure and flexible entry management.

Key Features

Smart door lock with mobile app control (Bluetooth)
Fingerprint, password, RFID card, and app-based unlocking
Bluetooth 4.1 BLE connectivity
Compatible with Android 4.3+ and iOS 7.0+
Tilted ergonomic structure design for better visibility and operation
Replaces traditional cylindrical knob without extra drilling
Wrong password / illegal card alarm
Low voltage alarm system
Security password feature for enhanced protection
Inside locking switch for added safety
Up to 1000 access records stored for monitoring
Emergency USB power backup support
Mechanical key override access

Technical Specifications

Specification	Details
Model	FL900
Product Type	Smart Door Lock with App Control
Material	Zinc Alloy
Power Supply	4.5 – 6.5V (4 × AA alkaline batteries)
Bluetooth Standard	4.1 BLE
Supported Phone Systems	Android 4.3+ / iOS 7.0+
Alarm Voltage	4.8V ± 0.2V
Static Current	≤ 60 µA
Dynamic Current	≤ 200 mA
Operating Temperature	-20°C to 70°C
Operating Humidity	20% – 93% RH
Fingerprint Capacity	120 users
Card Capacity	200 (MIFARE 1 card)
Password Capacity	150 app-generated + 150 custom passwords
Door Thickness	35 – 65 mm
Door Frame Requirement	≥ 115 mm
Opening Time	~1.5 seconds
FAR	< 0.001%
FRR	< 1.0%