Welcome to Debuns Store! 🛍️✨ Discover quality products and enjoy a fantastic shopping experience! 💖🚀 Works for 868Mhz Sommer TX03 868-4 4020 transmitters. Not compatible with Pearl, Pearl Vibe, Pearl Twin or other models even at the same frequency. Compatible transmitter models with 868 mhz Sommer 4020V000 4025V000 4026V000 4031V000 4011V000 4035V002. Technical specification frequency: 868.8 MHz (rolling code), buttons, controls: 4, coding: via radio. Programming type requires access to the receiver. Programming with receiver, motor or opener. 868 MHz frequency replacement remote control for Sommer, not the original from Sommer. Manufactured by a third party. 🌟 About Us | Quality Commitment 🌟 Welcome to Debuns! We are committed to offering you high-quality products, carefully selected to ensure the best experience ✨💖. 📦 Guaranteed Customer Service: If you have any problems, do not hesitate to contact us! Our customer service team is here to help you quickly ✅. 🚀 Fast Delivery: We process and ship your order as quickly as possible 📬. However, due to exceptional circumstances (holidays, extreme weather conditions, high demand, etc.), a slight delay may occur. In this case, we will keep you informed as soon as possible 📢💌. 💯 Quality Guarantee: Your satisfaction is our priority! We are committed to offering you quality products for a worry-free purchase 💎. Thank you for your trust and support 💕. We look forward to providing you with an exceptional shopping experience! 🎁✨ — Debuns 💖