The ECWA Wireless Adapter is designed for use with the OZ1000EC (all serial numbers), OZ2000EC (excluding serial numbers starting with “V”), and OZ4000EC (excluding serial numbers starting with “V”). This adapter provides the convenience of wireless control, allowing you to operate your hoist from up to 250 feet away. Its easy installation and reliable connectivity improve safety and efficiency, making it an essential accessory for various lifting tasks.