Product Description: Reference Weight:0.032kg (0.07lb.) Automatical Wireless Cloning Duplicator Copy 433 868 315MHz Remote Control Specification: Product size: approx. 55x35x15mm or 2.16x1.37x0.59'' Weight: approx. 30g Applicable type: fixed code remote controller Learning frequency range: 300MHZ 306MHZ 310MHZ 315MHZ 315.5MHZ 330MHZ 360MHZ 390MHZ 418MHZ 430.5MHZ 433.42MHZ 433.92MHZ 868.35MHZ 286-361MHZ 384-400MHZ Copy Description: 1. Press the remote control button ''1'' to light on, and press on 2, 3, and 4 of any one of the keys three times, until the lights flash two after lit. 2. Keep the ''1'' key, in 5 seconds, put the original remote control and remote control for a 10cm distance. Hold down the first key of the original remote control, the original remote control slowly approaches the remote control, until the indicator light flashes 3 times after constant light, the key to copy is success. 3. Release all keys. Other keys refer to the above operation, complete copy. Note: Please allow 1-3mm differences due to manual measurement. Due to the different displays and different lights, the picture may not reflect the actual color of the item. Thanks for your understanding. Package includes: 1 x Automatical Wireless Cloning Duplicator Remote Control