Blind button R.1/R.3 black, glossy. Blind button with low energy consumption, memory function for automatic execution of learned up and down times with position, party function, no execution of automatic, radio and extension commands (lockout protection), LED attachment/insert compatibility display, with status LED for memory and party function red/orange, with dismantling protection, with printed arrow symbol. Flush-mounted installation, surface/design program. Material: plastic, thermoplastic, halogen-free.