Black. This Bluetooth remote control from Abus works with the Wintecto One, Loxeris One, Cylox One and Hometec Pro CFA3100 electronic drives. It is an optional accessory to allow locking and unlocking using the button.. Accessory for the Wintecto One, Loxeris One, Cylox One and Hometec Pro CFA3100. Activate up to two drives at once. Maximum security through AES-128 bit encryption. Bluetooth wireless standard