It is a 433MHz wireless exit button, with 1 million groups of rolling code encryption, secure and reliable.

2 versions are available:

Wet contact control - no isolation to the circuit, control current ≤3A.

Dry contact control - with isolation circuit, control current ≤5A, can connect with household electrical appliances or lock to control directly.

WB2 - Wet Contact Wireless Exit Button

> 433MHz Rolling Code Technology

> Easy installation by 3M stickers

> 2032 lithium battery operated

> Dimension: 4.0W x 8.3L x 1.5D (cm)

> Control current < 5A