Sommer Slider+S10305 for 4 Channels 868.80 MHz. Very robust design with stainless steel details, ergonomic handle and easy to use. Made of high quality exterior to provide a long service life. Sliding lid to prevent accidental pulsation High performance operation and performance when controlling your automatic door. Four channels allow you to control 4 different automations. Measures 12 x 9 x 2 mm. Lithium battery type CR2032. Despite very simple instructions, if you need it, we have technical support to help you program your remote on the receiver. You can consult by whatsapp or phone in the instructions that we will attach to the controller. To do this, simply show the receipt or delivery note of the product by whatsapp where the product is indicated to us and we will help you activate your controller. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Manufacturer: Sommer