
Otp Smart Card Featuring 6 Digit EPD Display and Chip Technology. Eco-Friendly EPD Technology: Innovative EPD screen ensures lower energy consumption for long-term use. Robust Security Algorithms: Compatible with OATH compliant TOTP and OCRA algorithms including SHA1/SM3. Durable Physical Protection: Waterproof, tamperproof, and dustproof design with anti-scratch overlay. Long Battery Lifespan: Extended battery life ranging from 3 to 5 years for reliable operation. Flexible Time Intervals: Configurable time intervals of 30 or 60 seconds for OTP generation. Customization Options: Offers full, minor, and flexible customization from samples or designs. High Button Durability: Button tested for 100,000 times durability for long-lasting performance. ISO 7810 Standard Size: Compact card size adhering to ISO 7810 standard for portability.