diff --git a/stimBuffApis/livoxGen1/livoxGen1.cpp b/stimBuffApis/livoxGen1/livoxGen1.cpp
index dab53c1..963ab9e 100644
--- a/stimBuffApis/livoxGen1/livoxGen1.cpp
+++ b/stimBuffApis/livoxGen1/livoxGen1.cpp
@@ -182,7 +182,7 @@ public:
 		StimulusBuffer::PcloudFormatDesc formatDesc;
 		formatDesc.format = StimulusBuffer::PcloudFormatDesc::Format::XYZI;
 		auto pcloudStimBuff = std::make_shared<PcloudStimulusBuffer>(
-			*context->spec, context->deviceTmp, formatDesc, 500);
+			*context->spec, context->deviceTmp, formatDesc, 30);
 
 		context->stimBuff = pcloudStimBuff;
 		context->deviceTmp->nAttachedStimBuffs++;