10Pcs remote control key fobs with button slide cover and compact key chain design. This device is intended for use with fixed frequency remote controls that operate at 433.92MHz. Features: Button slide cover helps protect buttons and prevents accidental operation. Compact size allows easy attachment to car keys without added bulk. Compatible with remote controls using IC models: 2262, 2260, 1527, 2240, PT2262, PT2240, PT2264, PT2260, PT2242, AX5326-4, AX5326-3, SC2262, SC2260, HS2262, 2260, LX2262, 2260, EV1527, P527, and similar fixed code chips. Designed for copying fixed code signals from remotes operating at 433.92MHz. Not compatible with rolling code remotes, HCS encrypted chips, or devices using dynamic coding technology. Specifications: Material: Plastic Color: Black & Silver Operating Frequency: 433.92MHz Rated Voltage: 12V Battery: 10 x CR2016 (included) Package Weight: 255g Package Size: 150 x 50 x 50mm How to Program: Reset the fob before use: Press and hold buttons A and B simultaneously until the LED flashes continuously, then release. If the remote lacks labeled buttons, press the top two buttons. To copy: Press and hold the button on the original remote while simultaneously pressing and holding the corresponding button (A, B, C, D, etc.) on the new fob. Keep both remotes close together during the process. Programming is complete when the LED flashes. To restore a previously copied code: Press buttons C and D (or the bottom two buttons) until the LED flashes. Note: If the programming is unsuccessful or certain buttons do not function, clean the contacts and repeat the process, observing LED behavior. If issues persist after multiple attempts, verify the original remote’s chip type and frequency compatibility. Packing List: 10 x Remote Control Key Fobs