Regarding another issue (How to adjust Sonoff snzb-02 humidity sensitivity / frequency? - #5 by woodhead) I think that
"cl": "0x0402",
"report": [
{
"at": "0x0000",
"dt": "0x29",
"min": 60,
"max": 300,
"change": "0x00000005"
are perhaps not the best values (if they are considered by this sensor).