This thermal imager features 120x90 infrared resolution, -20-400°C temperature range and IP54/ two meters of anti-fall. It has 3.7V/2600mAh rechargeable lithium battery. Price drops from $164.99 to $139.99 when you apply the coupon code "BGab716d" at checkout. Free shipping

This paddleboard has a fadeproof UV-resistant PVC finish applied to the paddleboard, which is made from military-grade material. Price drops from $400 to $95 when you apply the coupon code "BG6cad28" at checkout. Shipping is free. 

This radiation detector features a built-in GM sensor, a fast response time, and high accuracy. It has other settings, such as alarms, system clocks, unit selection and language selection, you can choose English (by default) or Chinese. Price drops from $79.99 to $55.99 w/ free shippin.

This microphone comes with a 192kHz~24bit professional sound chip.  Additionally, the USB connectivity allows it to connect a range of devices with ease. It offers a high-resolution sampling rate. To further enhance the sound recording experience, BW-CM2 comes with the  Magnet Ring on the USB cable; it offers an excellent anti-interference function. Price drops from $89.99 to $27.99 with code "BGe1141e". Shipping is free from US warehouse.