433Mhz DC 12V 24V Universal Wireless Remote Control Switch Mini Size RF Relay Receiver 433.92 Mhz DIY kit for LED Light Digital Multimeter General purpose

General purpose

it will be damaged

5 Volts Maximum @ IF = 50 mA

TTGO T-call is a modified ESP32 (ESP-WROVER-B 8MB PSRAM) development board with an integrated SIM800L 2G/GPRS module

433Mhz DC 12V 24V Universal Wireless Remote Control Switch Mini Size RF Relay Receiver 433.92 Mhz DIY kit for LED Light Digital Multimeter General purposeIt's a 433Mhz DC 12V 24V Universal Wireless Remote Control Switch Mini Size RF Relay Receiver 433. 92 Mhz DIY kit for LED Light. This RF receiver adopts RF technology. The signal of the wireless RF switch can pass through walls, floors and doors, steadily control from anywhere within a reliable distance, with no obstacles. The wireless receiver switch is easy to use and safety, working voltage: DC3. 6V DC24V; maximum load: 2A. Wireless control, easy