ITEM NAME:433Mhz Micro Wireless Remote Control Switch Module LED Light Controller 3.6S Hn.Working frequency: 433MHz. Reception sensitivity: ≠¥ -107dBm. 1 pcs Light Switch Receiver Module. Maximum load: 2A. Modulation mode:ASK (superheterodyne). Input: DC3.6V~DC24V. Working temperature: -20 degrees 80 degrees.