material: plastic Model: JTYJ-GD-01LM/BW Style: battery type, with automatic detection function Alarm mode: sound and light alarm Battery life: 5 years Alarm classification: fire alarm/failure alarm/low battery alarm Size: 90mmX36mm Working temperature: -10~+55℃
All good
Normally it does not have a Wi-Fi connection.
It didn't arrive. EcoScooting lost it.
works perfectly and aesthetically well.
item conforms to the description