wireless emergency button is widely used in security field.it works together with alarm system....

Product Name: Wireless Emergency Button

Product Type: YET901

Reference Price: 0 (RMB)

Operating frequency: 315MHz

Operating voltage :9-12v

Product Description: This product is an emergency button, a small beautiful appearance, typically used in home burglar alarm with the emergency button, the wireless signal button, emergency button, bank tellers, etc.

Technical parameters: 1. Operating voltage: 9 ~ 12V; 2. Operating Current: £ 6mA 2. Operating frequency: 315MHz 3. Transmitted

Wireless Emergency Button YET901