![Fanvil KT20 Wireless Key for Y501/Y501-Y Fanvil KT20 Wireless Key for Y501/Y501-Y](https://voip.com.vn/37564-large_default/fanvil-kt20-wireless-key-for-y501y501-y.jpg)
The Fanvil KT20 Wireless Key for Y501/Y501-Y is a rebound-type kinetic energy wireless keys. It uses patented micro-energy harvesting technology, does not require a battery, and is extremely small in size. This wireless key can be paired with the Fanvil Y501/Y501-Y series products for equipment control.
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