Long lasting materials Constructed from a durable mix of plastic and metal, these Venetian blinds resist wear and provide reliable window treatment performance. Two frequency regulators included The set includes two four sided frequency regulators. Check size chart before For compatibility with your existing blinds, refer to the provided size chart prior to to avoid sizing issues. Installation made simple Designed for straightforward setup, these regulators require only minimal tools for installation, enabling quick enhancement of your window treatments. Use scenarios Living rooms or family spaces: Adjust glare from strong sunlight while maintaining natural light and privacy as needed for entertaining or daily activities. Bedrooms or nurseries: Fine tune darkness and privacy to support sleep schedules and restful environments. Home offices or study areas: Reduce screen glare during video calls while preserving some daylight for a comfortable working atmosphere.