Aqara Water Leak Sensor. Detects...
Sound transducer: piezo alarm; with built-in generator; 8mA.
Wire Jumpers Male to Female (15 cm length, 10pcs).
Qoltec fan 80 x 80 mm, supplied with voltage (DC) 12V. It is characterized by ultra-quiet operation and high efficiency. Made of black plastic, ideal for cooling electronic components.
Noctua NF-S12B Redux, 120 mm.
2.4/5GHz Alfa AWUS036ACS 802.11 a/b/g/n/ac Wireless USB 2.0 Network Adaptor 2dBi Antenna.