This product is often named door closer or door opener. It's a mechanical device, widely installed on a door in order to support the door closing and opening slightly, preventing the door from slamming after someone open or close the door. 

86L*86W*21H Plastic Exit Button

Double doors LED 280KG 600LBS EM Electronic Magnetic Lock for single wood / glass / metal / fireproof door

100% Wire-Free,FHD1080P IP Camera

Powered by Tuya APP, works with Amazon Alexa, Google Assistant

Waterproof IP65 Keypad Bluetooth Keyless Entry Fingerprint Password Card Door Handle TTLock Tuya App Smart Digital Door Lock

Multi-languauge AI Temperature Measurement Biometric Face RFID Card Recognition APP And Access Control Cloud System

The A3W is a WiFi waterproof touch keypad & RFID access controller.It is integratedwith Tuya which supports 500 mobile users and 1000 common users (including card/ PIN users).It is available for both iOS and Android.

Transparent glassy card reader cover with silkscreen printing, three-color breathing LED surrounded the turnstile body, and the simple and neat structure provide a calm and solemn vibe.Classic black electroplating stainless steel makes a harmonious match with green tea color tempered glass, as well as your high-end smart buildings.

SBG2000 is often stainless steel, organic glass, tampered glass, and some of the gates use metal plate externally wrapped with special soft materials( reduce the harm caused to visitor). The device organically realizes integration all of mechanical, electronic, microprocessor control and various ID control technologies.

low price Gate Barrier Tripod Turnstile Used in Government Institution

18 zones walk through metal detector