Match Guide: The dimmer can match with all kinds of single or multiple zone 2.4G dimming remote controller. Choice 1: Use Match key 1. Match: Short match key, within 5s, on/off key of the remote. 2. Delete: Long match key for 5s, delete all matched remote. Choice 2: Use Power-up 1. Match: Switch off the power, then switch on power again,short on/off key 3 times on the remote quickly within 5s after power on, is done once the light blinks 3 times. 2. Delete: Switch off the power, then switch on power again,short on/off key or zone key 5 times on the remote quickly within 5s after power on,the unlink is done once the light blinks 5 times. colour:white + black Material:plastic size:97x33x18mm Package Contents: 3 x V1 LED Dimmer 3 x R11 Remote Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.