Sofirn Mini SC13 Keychain Torch 1300lm US$10.60 (~A$19.32) Delivered @ Sofirn Official Store AliExpress

I think this is an ATL for this slightly, pay USD at checkout for better conversion

Specifications
Emitter: SST40
Battery Option: 1×18350 battery
Working Voltage: 2.7V-4.2V
Mode Operation: Side e-switch
USB Type-C charging
Material: AL6061-T6 aluminium alloy
Water Resistance: IP68 waterproof
Size: 28.5mm ( head diameter) *64.6mm(length)
Weight: 40g(without battery)
Reverse polarity protection from improper battery installation.