jk tech co ltd

stainless steel smart lock for gate X550

Model X550 is one of the outdoor series of pull door handle smart lock. With its slim size lock panel(37mm on width), high quality SUS304 material, multiple unlocking methods including fingerprint, RFID key card, digital PIN code and backup metal key, this excellent biometric resident lock quite fits for outdoor gate whose frame is quite narrow and which faces with rigor operation environment.

Its gene comes from Model slim X30 SS lock for aluminum gates and windows, which is of great curves like hourglass figure. By adopting extra sealing craft, it can stand under the harsh weather like rainy day.

Biometric Lock Panel Appearance:

stainless steel lock for outdoors gate X55 silver
stainless steel lock for outdoors gate X55 black
stainless steel lock for outdoors gate X55 Satin Gold
stainless steel lock for outdoors gate X55 antique copper finish

Outdoors Biometric Lock Panel Dimension:

dimension of SS lock X55 for outdoors gate

Outdoors Lock Installation Demo:

installation demo 1 of stainless steel lock X55 for outdoors
installation demo of slim smart lock for caravan(model X55)
installation demo of slim smart lock for caravan(model X55)
installation demo 2 of SS biometrical lock X55 for outdoors
installation demo 3 of SS lock X55 for outdoors
installation demo 4 of biolock X8

Open Methods:

RFID key card

override metal key

RFID key card

RFID key card




PIN code input

USB emergency charge port

USB charge port

BLE bluetooth lock

bluetooth via Wechat(optional)

Finish Options:

lock panel matt black finish

Matt Black

satin silver finish

Satin Silver

satin gold finish

Satin Gold

satin gold finish

Polished Gold

antique copper finish

Antique Copper

Feature of SS door lock for aluminum door or windows


  • lock running mode: residential DIY mode or software mode for hotel
  • front panel size:Height:330mm, Width:37mm, thickness: 57mm including handle
    back panel size:Height:330mm, Width:37mm; thickness: 55mm including handle(MAX)
  • gross weight:2.5kg per lockset including package;
  • major metal material: Stainless Steel SUS304
  • mortise options: EU profile mortise for side hung door or EU profile mortise for sliding door ;
  • deadbolt type:depending on mortise;
  • USB emergency charge:Micro USB port available
  • backup metal key: available;
  • adaptable door thickness:28mm to 60mm;
  • bluetooth key function:available on China "Wechat" App;
  • fingerprint storage: 100 pieces;
  • fingerprint reading angle:front side of finger;
  • key cards type:Mifare S50 1K key card complies with ISO14443A standard ;
  • RFID card working Frequency:13.56MHz;
  • RFID Card reading distance: 0 to 3cm relying on real electromagnetic environment;
  • EEPROM storage:1K pieces of lock open record;
  • Power supply:powered by 4*1.5V AA or 8*1.5V AA (LR6) Lithium polymer batteries / Zinc–carbon battery(zinc-manganese dry battery). Zinc-carbon battery is recommended because there is seldom battery leakage problem. User may purchase quality batteries locally;
  • batteries life span: 12-18months depending on capacity of batteries and use frequency;
  • Working voltage:4.5V-6.5V, if less than 4.7V, low battery warning will be made when presenting any valid administration cards in hotel lock mode; or presenting any valid key cards in DIY lock mode;
  • Low voltage warning:available/li>
  • Static current: < 20μA (standalone version); < 40μA (Tuya wireless version);
  • Dynamic current: < 100mA (standalone version); < 160mA (Tuya wireless version);
  • Operation temperature:-5℃ to +60℃; ideal working temperature: 15 to 25 Celsius Degree; notice: if atmosphere temperature is lower than 0℃ or higher than 40℃, batteries performance will become weaker.Therefore, please consult with your battery supplier for details for the working environment ;
  • User Guideline of online Tuya Zigbee Lock

  • manual of residential lock standalone type