วาล์วบล็อกคู่และวาล์วเข็มระบายอากาศ เป็นวาล์วแยกส่วนของเครื่องมือ

UNI-T UTi720E Thermal Camera: 3.5" IPS, Wi-Fi, 256×192 IR,2MP, -20℃~550℃, 5200mAh battery for PCBA, HVAC,Electrical Inspection

Portable 30x Optical Zoom 2MP 4G Wifi & GPS Outdoor Dome PTZ IP Camera With Battery and Suitcase

Tuya Smart Home 8 Pcs Wifi Ptz Camera System Ip Camera Kit 2MP 8CH Nvr Surveillance Night Vision

3MP+3MP Dual Lens WiFi Security Camera Outdoor Auto Tracking PTZ Camera IP66 Waterproof Color Night Vision 2-way Audio IP Camera

Unit UTi730E Enhanced Thermal Camera with Wi-Fi, 320x240 IR , 2MP , 3.5" IPS , Auto Alarm for Accurate Diagnostics & Inspections

UTi730E Wi-Fi Thermal Camera with 3.5” IPS , 320×240 IR, 2MP ,-20℃ to 550℃, Infrared Imaging, Ideal for Building/HVAC Inspect