... water kettle,Kettle coupler,kettle connect, temperature controller Specification KSD688-E1 COUPLE: Rated voltage250VRated current13AMax.Ambient TemperatureT125Operating life10000cycletermperature tolerance+- 50CHi-pot2200V ... easy assemble.6)Guarantee safeuse and good aftersale service. KSD688-E1 JIATAI connectors of electric water kettle