Presentation of the MARANTEC D645-868 wall push button This transmitter will undoubtedly facilitate the control of your automation systems by offering you cutting-edge technologies. Its control is digital, which allows you to simply touch your transmitter to be able to control your gate and/or garage door automations. It is made up of two keys useful for controlling two automations: a third key has been inserted to allow you to know the position of your automation. We advise you to attach your MARANTEC D645-868 transmitter to your wall, for more comfortable and secure use. If you wish to block your transmitter for a certain time, this is possible with the MARANTEC D645-868 transmitter: by activating the “holiday” function available on this transmitter and on the MARANTEC D644-868, you can block the control of all transmitters in your home. This function will allow you greater security, and is useful if you have young children, to avoid any mishandling of your transmitter. Thanks to the multi-colored LEDs, you will be able to know the status and direction of movement of your system: the colors of the LEDs will indicate the position of your gate: open or closed. MARANTEC has been recognized for many years as one of the specialists in automatic systems. Since its creation in 1957, the MARANTEC company has been a source of innovation and production of secure and durable accessories. Thanks to cutting-edge security systems, such as the bi-linked system, MARANTEC has stood out from other brands and attracted international markets. The novelty of the MARANTEC D645-868 wall transmitter: the motion detector A motion detector has been inserted in the MARANTEC D645-868 models, which is not present in the MARANTEC D644-868. This motion detector will activate the lighting of your automations automatically, as soon as it analyzes movement near your remote control, which will allow you to use it in dark places such as your garage or cellar. The bi-linked radio system: presentation and operation Many MARANTEC remote controls are equipped with this system, which is as efficient as it is safe: this system guarantees the safety and protection of your automation systems. It is a system which operates at 128 bits of encryption: applicable to the rolling code, which is also a high security system which will make your motor system inviolable, the bi-linked system is a technology specific to the MARANTEC company. This system will not change the control of your automations, it will simply provide you with greater safety. This system has proven itself in the field of home automation, and has allowed MARANTEC to develop its reputation throughout Europe. All MARANTEC products are manufactured in their factories and guarantee you optimal safety and quality. The attributes of the MARANTEC D645-868 wall transmitter The characteristics of the MARANTEC D645-868 transmitter are equivalent to those of the MARANTEC D644-868 transmitter: this transmitter has a shape similar to that of the MARANTEC transmitter D644-868, it operates at the same frequency, 868Mhz, and will require 3V CR2032 batteries. Its dimensions are the same: 82 x 83 x 26mm for a weight of 100g. Their IP54 protection rating allows them to protect against splashes of water and foreign bodies, and they will operate at temperatures between -20°C and 60°C. Be careful, respect these temperatures carefully, as your remote control could be seriously damaged if it is at higher or lower temperatures. This transmitter can be adapted to all MARANTEC operators: if you benefit from a Comfort 260, 270, 280, 360, 370 or 380, equip yourself with a DIGITALE 921 antenna so that your engine can be fully compatible with your bi-linked transmitter. If you already have an antenna, do not exchange it for this model: keep your old antenna and simply add this model. Please note: If you would like to order this item, you will be able to receive free shipping for the purchase of an additional remote control on your order.