Havells Crabtree Signia 1M Bell Push Switch – Grey The Havells Crabtree Signia 1M Bell Push Switch – Grey is a compact and reliable solution for doorbell and calling applications in modern homes and offices. Designed with a smooth push mechanism, it ensures effortless operation and long-lasting performance. Its 1 module size fits perfectly into modular plates, making installation quick and convenient. Built from high-quality fire-retardant polycarbonate, it offers durability and enhanced safety. The elegant grey matte finish adds a premium touch to interiors while maintaining a clean and uniform look. Ideal for everyday use, it combines functionality, style, and dependable performance.