Can the Keysy Device program a blank T5577 card?

Keysy can only program Keysy branded key cards, key fobs, stickers and wristbands. Thanks for the question.

Are the keysy cards also EM4100?

They can be programmed to be EM4100 compatible.

Do i need a a keysy writer to program these?

Yes, they are designed to be programmed by the Keysy RFID Duplicator. Thanks!

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Keysy Rewritable RFID Keycards (5-Pack) (White)

Keysy Rewritable RFID Keycards (5-Pack) (White)

Product ID: 489219611

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Details

Brand
Keysy
Connectivity technology
Wireless
Special feature
Rewritable
Indoor/Outdoor usage
Outdoor Indoor
Power source
Battery

💧Waterproof durability

🔋No battery needed

♻️Rewritable & reusable

Description

♻️ Unlock smarter access—rewritable, rechargeable, and ready for your next move!

COMPACT LIGHTWEIGHT - Slim 7.6 x 5.1 cm size and just 18g—fits perfectly in your wallet or badge holder.
SLEEK DURABLE DESIGN - Ultra-thin, robust, and waterproof for everyday professional use.
EXCLUSIVE COMPATIBILITY - Optimized for seamless use with Keysy RFID Duplicator for ultimate control.
EFFORTLESS POWER FREE ACCESS - Say goodbye to battery hassles with zero power requirements.
ENDLESS REPROGRAMMING FREEDOM - Reuse and reprogram multiple times with your Keysy RFID Duplicator.

The Keysy Rewritable RFID Keycards (5-Pack) offer a sleek, battery-free solution for secure access control. Designed to be thin, robust, and waterproof, these cards can be reprogrammed multiple times using the Keysy RFID Duplicator, making them an eco-friendly and cost-effective choice for professionals seeking flexible, reusable keycards.

Specifications

Colour	White
Wattage	5 watts
Item dimensions L x W x H	7.6 x 5.1 x 0.5 centimetres
Manufacturer	Tiny Labs
Part Number	RW005P01
Product Dimensions	7.62 x 5.08 x 0.51 cm; 18 g
Item model number	RW001L05
Size	5 Count (Pack of 1)
Type of Bulb	Infrared
Special Features	Rewritable
Batteries included?	No
Batteries Required?	No
Item Weight	18 g

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